Mathews Plamoottil

• MSc (Rank), CSIR- UGC NET, PhD
• Researcher at Baby John Memorial Govt College Chavara

Taxonomic analysis of five specimens of a cyprinid fish collected from Alappuzha, Kerala, India revealed that they present several taxonomic differences from their congeners. The new species, Rasbora ataenia, is diagnosed by a combination of the following characters: dorsal fin with seven branched rays, anal fin with five branched rays, body slende...

Puntius euspilurus, a new fish species of the family cyprinidae, is described from Wayanad of Kerala, India. It is distinguished from its congeners by the following combination of characters: body elongated, rounded and slender, barbels feeble and never reach orbit or nostrils; last simple dorsal fin ray feebly osseous and flexible, 23- 24 lateral...

The present study was conducted to analyze the taxonomic details of cyprinid fishes occurring in the high level regions of Manimala River of Kerala, India. Different species of cyprinid fishes were collected from different sites of the river. 12 species of fishes belong to the 11 genera and three families were collected from various locations. Syst...

ABSTRACT: Mystus catapogon, a new fish species, is distinguished from its congeners by the following combination of characters: maxillary barbels reach beyond caudal fin base; outer mandibulars reach to base of ventral fin and inner mandibular barbels to middle of pectoral fin; Snout shorter; cephalic groove long, shallow and divided into two fonta...

Systomus laticeps, a new fish species of the family Cyprinidae, is described from Kerala, India. It is distinguished from its congeners by the following combination of characters: Body elongated, round and wide; head small and wide; a prominent hump present on the post occipital region, post dorsal region convex, a distinct thin median fontanel on...

The present study was conducted to analyze the taxonomic aspects of percoid fishes of Manimala River of Travancore, Kerala, India. Systematic studies were conducted on the fishes of the genera Ambassis, Parambassis, Etroplus, Pseudetroplus, Pristolepis, Anabas, Channa, Glossogobius, Awaous and Pseudosphro-menus. The fishes were examined for meristi...

The present study was conducted to analyze the systematic aspects of catfishes occurring in the Sasthamcottah Lake of Kerala, India. Preliminary taxonomic studies were conducted on the fishes of the genera Horabagrus, Mystus, Wallago, Ompok, Clarias and Heteropneustes. The fishes were examined for meristic counts and metric characters. Studies were...

The present study was conducted to analyze the taxonomic details of catfishes occurring in water bodies of central Travancore of Kerala, India. Catfishes collected from different stations of various aquatic bodies of Travancore; 21 species of fishes belong to the genera Batasio, Horabagrus, Pangasinodon, Mystus, Ompok, Wallago, Pseudotropius, Glypt...

Batasio flavus, a new species of the family Bagridae, is described from Manimala River of Kerala, India. It is distinguished from its relative species by the following combination of characters: body slender, dorsal profile nearly straight; body and fins yellow; median longitudinal groove on head narrow, single and extending to base of occipital pr...

The present study was conducted to analyze the diversity of fishes occurring in Manimala River of Kerala, India. Fishes collected from 20 different stations of the river; of the 97 species of fishes collected cyprinid fishes outnumbered all other fishes; percoid fishes and silurids also preponderated in catches. Many cultivable fishes were reported...

Taxonomic studies conducted on five exotic fishes of Manimala River. They were domesticated varieties imported from foreign countries; Cyprinus carpio communis, Pangasinodon hypophthalmus, Clarias gariepinus, Tilapia mossambica and Osphronemus goramy were examined for meristic and metric characters; search was also conducted on their origin and pre...

Puntius nigronotus, a new fish species of the family Cyprinidae, is described from Mananthavady River of Kerala, India. It is distinguished from its congeners by the following combination of characters: body deeper, maxillary barbels shorter and never reach nostrils, dorsal fin shorter, 9 branched rays in dorsal fin and 6 branched rays in anal fin,...

Puntius dolichopterus, a new species of the family cyprinidae, is described from a freshwater stream at Kayamkulam of Kerala, India. It is distinguished from its congeners by the following combination of characters: Dorsal fin short and located a little behind the ventral fin origin; third dorsal ray osseous, rigid and strong, its spinous portion l...

Puntius nelsoni, Systomus chryseus and S. rufus (cypriniformes: cyprinidae), three new fish species from Kerala, India Mathews Plamoottil Abstract Puntius nelsoni, a new species of the family cyprinidae, is distinguished from its congeners by the following combination of characters: body and fins yellowish; a narrow bluish green mark present on sum...

Taxonomic analysis of three specimens of Macrognathus collected from Manimala River reveals that they present several morphological differences from their congeners. The new species is diagnosed by a combination of the following characters: body dirty white without any bands or bars, eyes are closely set, spinous part of dorsal fin originating cons...

Mystus keralai, a new species of the family Bagridae, is described from Chenappady of Manimala River of Kerala, India. It is distinguished from its relative species by the following combination of characters: head longer; eyes smaller; median longitudinal groove on head narrow, long and reaching base of occipital process, the latter reaching basal...

Inland fishing provides a means of livelihood to many poor fishermen of Kerala and is an important contributor to the state's total fish production. Even though new concepts have been introduced both on technological and applicational aspects of fishing gear make, many native fishing implements are still used in various locations of Manimala River....

Taxonomic analysis of four specimens of Macrognathus collected from Manimala River in Kerala reveals that they present several meristic and morphological differences from their relative species. The new species is diagnosed by a combination of the following characters: 28- 30 dorsal spines; 26- 27 distinct, yellow, vertical lines present on lateral...

Mastacembelus malabaricus Jerdon has long been placed in synonymy with Mastacembelus armatus and Macrognathus guentheri. An examination of the specimens of M. malabaricus collected recently from its type locality in Kerala shows however, that it exhibits many valid differences from its congeners. Jerdon's spiny eel is distinguished from its relativ...

Pristolepis marginata Jerdon has long been placed in synonymy with Pristolepis malabarica Guenther. An examination of the specimens of the P. marginata collected recently from its type locality in Kerala shows however, that it exhibits many valid differences from P. malabarica. Jerdon's Pristolepis is distinguished from its relative species by havi...

Catopra (Pristolepis) malabarica Gunther has long been placed in the synonymy of Pristolepis marginata Jerdon. An examination of the specimens of the P. malabarica collected recently from its type locality in Kerala shows however, that it exhibits many valid differences from P. marginata . Gunther's nandid fish is distinguished from its relative sp...

Mystus indicus, a new species of the family Bagridae, is described from Kuttoor of Manimala River in Kerala, India. It is distinguished from its congeners by the following combination of characters: snout longer; median groove on head appear as double cephalic fontanels; occipital process reaches to basal bone of dorsal fin, on both sides of occipi...

Mystus menoni, a new fish species of family Bagridae, is described from Elankadu of Manimala River in Kerala, India. It is distinguished from its relatives by the following combination of characters: maxillary barbels reach anal fin; median longitudinal groove on head divided into two fontanels and reaching occipital process; the latter reaches bas...

Taxonomic analysis of ten catfishes collected from low level regions of Manimala River reveals that they present several morphological differences from their relatives. The new species is diagnosed by a combination of the following characters: body and fins deep black to grayish black in live condition. Rayed dorsal fin inserted above ¾ of the leng...

Taxonomic analysis of eight specimens of a cyprinid fish collected from Manimala River, Kerala, India revealed that they present several morphological differences from their congeners. The new species, Puntius viridis, is diagnosed by a combination of the following characters: eyes clearly visible from below ventral side; head depth lesser; one row...

Glyptothorax elankadensis is described as a new sisorid species of the genus Glyptothorax, from Manimala River, Kerala, India. It is characterized as follows: Osseous serrated principal ray of dorsal and pectoral fins, with four pairs of barbels, all fins yellow tipped. Three narrow yellow bands – one mid dorsal and others mid lateral-present on lo...