• Home
  • Miguel vazquez archdale
Miguel vazquez archdale

Miguel vazquez archdale
Kagoshima University, Faculty of Fisheries, · Fisheries Resource Science Dep., International Food and Resource Sciences Course

PhD in Fisheries Sciences

About

68
Publications
13,510
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
414
Citations
Additional affiliations
November 1998 - present
Kagoshima University
Position
  • Professor (Full)

Publications

Publications (68)
Article
Full-text available
Most probiotic yeast supplement in fish exhibit beneficial effect at ≤1% of the dietary proportion. This study aimed at evaluating the specific effects of Lypomyces starkeyi CB1807 yeast strain supplemented at ≤1% of dietary proportion on the performance of juvenile red sea bream (Pagrus major, 1.9 ± 0.04 g). Five diets were supplemented with yeast...
Article
Preferences by the Japanese mitten crab Eriocheir japonica of three mesoscale environments within a river unit (pools, riffles and runs) were investigated in a freshwater river by pot fishing and hand-net collecting during the fall. In addition, E. japonica’s life modes during each growth stage were elucidated by comparing data obtained by hand-net...
Data
Supplementary Fig. 1. Relationships between carapace width and the weight of the ovary of Charybdis japonica in Site 2 during each sampling day. Solid curved lines indicate the values of 5% (black) and 1% (grey) of body weight of adult females estimated for each carapace width. Supplementary Fig. 2. Relationships between carapace width and the wei...
Article
We propose a new analytical method for determining the response threshold in electroretinogram (ERG), in which the wave shows a biphasic slow dc-potential shift. This method uses the recorded wave to the highest intensity stimuli in each wavelength tested as a template wave f(t), and it was compared with other recorded waves obtained under lower in...
Article
Full-text available
Mating pairs of the potamid crab Geothelphusa dehaani were observed in a mountain stream of Fukuoka Prefecture, Japan, during the survey of over ca. 3-year period. Five mating pairs in copulatory posture were found in the afternoon in October and November. Mating pairs remained immobile for at least several minutes. No guarding behavior was observe...
Article
Full-text available
Mating pairs of the potamid crab Geothelphusa dehaani were observed in a mountain stream of Fukuoka Prefecture, Japan, during the survey of over ca. 3-year period. Five mating pairs in copulatory posture were found in the afternoon in October and November. Mating pairs remained immobile for at least several minutes. No guarding behavior was observe...
Article
Full-text available
Mating strategy and sexual dimorphism of morphological traits of the leucosiid crab Pyrhila pisum were elucidated by analysing relative growth patterns of chelipeds and abdomen, and gonad development patterns. Male adults had long chelipeds compared with juvenile males and females. Among male adults, two phases with different slopes could be found...
Article
Full-text available
Age and growth of crimson sea bream Evynnis tumifrons were studied using samples collected from October 1999 to August 2013 off the southwestern coast of Kyushu, Japan. Ring marks (outer edges of opaque zones) on the 1805 transversely sectioned otoliths were counted and seasonality in their deposition was validated by marginal increment. Our result...
Article
Full-text available
Ovarian maturation, size at sexual maturity and the annual reproductive cycle of female crimson sea bream Evynnis tumifrons were studied using samples collected from April 2012 to June 2014 off the southwestern coast of Kyushu, Japan. A total of 801 ovaries were examined histologically to estimate the degree of ovarian maturation. E. tumifrons show...
Article
Full-text available
Mating behaviour of the leucosiid crab Pyrhila pisum was studied in the laboratory and tidal flats in Japan. Most males actively approached females. Males started guarding females without any courtship behaviour (pre-copulatory guarding). Males began copulation within several minutes. The copulation continued for about 1–2 h, following which males...
Article
Full-text available
Ovarian maturation, size at sexual maturity and annual reproductive cycle of female crimson sea bream Evynnis tumifrons were studied using the samples collected from April 2012 to June 2014 off the southwestern coast of Kyushu, Japan. A total of 801 ovaries were examined by histological observation to estimate the degree of ovarian maturation. E. t...
Article
Full-text available
Fishing trials targeting several invasive swimming crab species in their native habitat were undertaken using two types of collapsible pot, one with open-eyed entrances and the other with closed-eyed entrances, to analyse differences in catch retention between them. The open-eyed pot was dome-shaped with two funnel entrances located at opposite end...
Article
The Asian portunid crab Charybdis japonica is a shallow subtidal species, known as a fisheries target in its original range and an alien species in some countries in Oceania. Growth, reproductive ecology, and infection by Rhizocephalan parasites of this crab were surveyed in an intertidal boulder shore in an open seacoast and a pier in an inland ba...
Article
Full-text available
Aquatic invertebrates such as cephalopods and crustaceans possess distance and contact chemosensory organs that mediate a variety ofbehaviors like the gustatory and oUactory organs of fishes.Cephalopods and crustaceans are good models to study relationships between sensory stimuliand behavioral responses,as well as providing relevant knowledge on n...
Article
Full-text available
Occurrence pattern and reproductive ecology of a leucosiid crab, Pyrhila pisum were surveyed in tidal flats in Hakata Bay, Fukuoka, northern Kyushu, Japan. Size composition of each sex (male, juvenile and adult females) including carcasses was analyzed, and developmental stages of embryos and combination of mating pairs were checked. A mark-recaptu...
Article
Full-text available
Japanese eel is already magnetosensitive at the glass eel phase. However, currently, there is no evidence that they can use geomagnetic cues for orientation. We examined orientation behaviour in a radially symmetrical test arena in which the horizontal component of the geomagnetic field could be manipulated. Groups of glass eels released at the cen...
Article
Full-text available
Differences between the results of pot fishing and hand-net collecting of the Japanese mitten crab, Eriocheir japonica (De Haan, 1835), were examined to increase the accuracy of sampling natural population in freshwater and tidal areas of a small river. Large adult crabs were caught in pots; small juveniles mostly collected with the hand nets. The...
Article
Full-text available
The migration process of megalopae from the sea to a tidal river is an important subject for catadromous Brachyura. The process of invasion and settlement of the megalopae of the Japanese mitten crab Eriocheir japonica was investigated in a small river in temperate Japan. First, to elucidate the relationship between settlement and lunar rhythm, meg...
Article
Full-text available
A study was performed on the microhabitat distribution and some aspects of behaviour of the ectosymbiotic branchiobdellidan Holtodrilus truncatus (Annelida, Clitellata) found on the freshwater shrimp that inhabit the Sugo River, Hyogo Prefecture, western Japan. Observations on shrimp that were collected from the Sugo River (2003 to 2011) confirmed...
Article
Full-text available
In Jeju Island, red sea bream is mainly caught by long line with a live squid as bait. The movements of artificial jigs in the fishery are supposed to be an important factor for catching the target organism as well as bait. To develop new fishing method for long line fishery, movements of the bait which was squid were tried to be characterized. In...
Article
This study was focused on the relationship between behaviour and morphological characters of the soldier crab Mictyris guinotae, using a functional morphological approach. The behaviour patterns of M. guinotae involved in water uptake and water-circulation were recorded by video camera and the setae involved in those two activities were described i...
Article
Full-text available
When looking at the capture process of traps targeting aquatic organisms, there are factors which fishers can control and others which they cannot. Examples of those beyond their control are the physical parameters of the fishing ground, such as depth, water temperature or type of substrate; and the physiological condition of the target organism, s...
Article
Full-text available
The setae involved in gill-cleaning in the soldier crab Mictyris guinotae were examined using a light microscope and an environmental scanning electron microscope. The setae of the epipods of the first and third maxillipeds are classified into three types: 1) anchor setae, 2) digitate-scale-setule setae, and 3) denticulate setae. The second maxilli...
Article
The setae involved in the gill-cleaning mechanism of six species of Japanese sentinel crabs are described. The setae are classified as belonging to five types: anchor, serrate, simple, digitate-scale-setule, and normal setule setae. The anchor setae are further divided into ten sub types based on the combinations of digitate-scale setule, normal se...
Article
Full-text available
Decapod crustaceans are important fisheries resources that are frequently harvested with baited traps. Fishers prefer some bait types to others, but the substances responsible for bait attractiveness are seldom studied. Swimming crabs were used as models for studying methods to improve bait effectiveness. Food searching behavior was examined by exp...
Article
Full-text available
The aim of this study is to assess the efficiency of liftnets as a harvesting gear for invasive crustaceans. Fishing trials targeting swimming crabs took place in a pond using liftnets and collapsible pots. The liftnet consisted of 2 metal rings and a 6 cm mesh net and the dome-shaped pot (6 cm mesh size) had two open entrances at opposite ends. Tr...
Article
Full-text available
The effectiveness of using live crab decoys for capturing the invasive shore swimming crab Charybdis japonica was tested during fishing trials. Live male or female crab decoys were placed in pots and their performances were compared to those of fish bait and no bait. Pots were set in a pond from 22 July to 27 August 2002. They were divided into 4 t...
Article
Full-text available
Putative chemoreceptors in the tentacles and the snout of the abalone Haliotis discus hannai were examined with scanning electron microscopy and light microscopy, and their role in inducing feeding was tested behaviorally. The cephalic, epipodial and mantle tentacles bear papillae with ciliary tufts at their tips. Chemoreceptors with 14-21 ciliated...
Article
Full-text available
Fishing trials were conducted in a pond using collapsible pots containing fish mince inside a “teabag” or cut fish baits. Scomber japonicus was minced (100g) and packed in a teabag or cut in half; non-baited pots served as controls. Baits were placed inside box-shaped pots (2.3cm mesh size) with two slit entrances. Trials consisted of 100-pot hauls...
Chapter
Full-text available
Making simple improvements on traditional fishing gear and methods can be applied to develop effective eradicating tools that can be integrated with other strategies used to combat invasive aquatic species. Swimming crabs are the target choice; they travel widely by swimming, attached to the hulls of ships or as larvae suspended in ballast water. T...
Working Paper
Full-text available
Article
Full-text available
Escape rates and behaviors of the invasive crabs Charybdis japonica and Portunus pelagicus were investigated in two commercial pots: a box-shaped pot with two slit entrances at the ends and a dome-shaped pot with two open funnels. A variation of the dome-shaped type with two plastic triggers installed in each entrance that served as non-return devi...
Article
Full-text available
Comparative fishing trials on the crab Charybdis japonica were undertaken in a pond, using three types of collapsible pot. One was box-shaped (2.3cm mesh size) with two slit entrances at the ends, while the others were dome-shaped and had two open funnel entrances but different mesh sizes (2.3 and 6cm). Trials (100 pot hauls/pot type) were done usi...
Article
Full-text available
The morphology of the lateral line system, the inner ear, the olfactory epithelium and the taste bud of the wild adult anchovy Engraulis japonicus was examined by photo microscopy and scanning electron microscopy. Hematoxylin solution was injected into the lateral line canals to show the arrangement of the lateral line system. The lateral line syst...
Article
Full-text available
The behavior of the crab Charybdis japonica towards two pot types was recorded by camera while placed in a tank. One pot was box-shaped with two slit entrances, while the other was dome-shaped with two open funnel entrances. Pots were placed in the tank and the behaviors of single crabs were video recorded for 1.5h (30 recordings/pot). Crabs attemp...
Article
Comparative fishing trials were undertaken with two commercial collapsible pots for the crab Charybdis japonica. One pot was box-shaped with two slit entrances at the ends, while the other was dome-shaped with two open funnel entrances. Pots were placed at the bottom of a pond that is connected to Kagoshima Bay. Fishing trials were carried out usin...
Article
Full-text available
The effects of chemical stimuli in the feeding behavior of Octopus vulgaris were studied using bait pellets, to elucidate the effect of bait quality on feeding behavior, to observe the chemoreceptive function of the arms and lip, and to see if they play a role in bait quality selection. The pellets were made from a binder (starch and cellulose) and...
Article
Full-text available
An underwater camera was used to record the behavior of the crab, Charybdis japonica, towards two baited pots. These were commercial collapsible pots commonly used by Japanese fishermen to catch crabs. One was box shaped with two slit entrances at the ends, while the other was dome shaped and had two open funnel entrances. The pots were placed on t...
Article
Full-text available
Abstract The effects of exposing the taste receptors to two common aquaculture therapeutants, potassium permanganate (KMnO4) and formalin, on the gustatory responses in the Nile tilapia Oreochromis niloticus (Linnaeus) were studied using an electrophysiological approach. Electrical responses to the stimuli before and after perfusing the receptors w...
Article
Full-text available
Locomotion behaviour of the abalone, Nordotis discus (Reeve), N. gigantea (Gmelin) and Sulculus aquatilis (Reeve), was observed for 5- to 10-day periods during the early summer and autumn from 1997 to 1999. Before sunset, the animals were individually put beneath each shelter situated on the flat concrete floor of indoor and outdoor tanks. For trac...
Article
Abstract The gustatory sensitivity of the Nile tilapia, Oreochromis niloticus L., to different amino acids was studied using an electrophysiological approach. The electrical responses were recorded from a branch of the facial nerve innervating the external taste buds of the upper lip. The relative stimulatory effectiveness (RSE) of nine amino acids...

Network

Cited By