aquariophil

key to the species of Nematabramis Boulenger, 1894

1 (3)

Barbels shorter than head

 

2 (3)

DII,8 - 9; AIII,12 - 14; belly keeled; 22-23 predorsal scales. (Indonesia, Malaysia, Philippines)

Nematabramis alestes (Seale & Bean, 1907)

3 (1)

Barbels longer than head

 

4 (5)

Body deep, depth 2.5-3.5 times in SL; 9-11 scales between origins of dorsal and anal; barbels usually reaching middle of pectoral or beyond; DII,8-13; rarely below II,10; AIII,15-20, rarely below III,16; (Indonesia, Malaysia [N-NE Borneo])

Nematabramis everetti Boulenger, 1894
type species

5 (4)

Body more elongate (depth 3.6-4.2); barbels reaching no farther than base of pectoral

 

6 (7)

Head 3.8-4.1; DII,8; AIII,13-16 (mean III,14.5); 8 scales between origins of dorsal and anal; (Indonesia, Malaysia [NW Borneo])

 

Nematabramis borneensis Inger & Chin, 1962

 

Nematabramis  borneensis

 

7 (6)

Head shorter (4.6-4.8); DII,9-10; AIII,16-17; (Indonesia, Malaysia, Brunei [Eastcentral Borneo])

Nematabramis steindachnerii Popta, 1905

Regarding Bornean species derived from INGER & CHIN, 2002, modified; Marco Endruweit, created 2009-06-24, updated 2009-06-28, modified 2009-08-25 (picture of N. borneensis added)

Mearnsella Seale & Bean, 1907 considered to be a junior synonym; Nematabramis verecundus Herre, 1924 considered a nomen dubium (nom. dub.).

BANARESCU (1971) published a revision of the genus Nematabramis.

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aquariophil

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