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Malapterurus microstoma Poll & Gosse, 1969

Image contributors to this species:

Hippocampus Bildarchiv (2) Aqua Magazine,Thailand (1) Serge Mevellec (2) Jian Ruilong (1)

ScotCat Sources:

Etymology = Genus Etymology = Species

Other Sources:

Fishbase  Google Search  All Catfish Species Inventory Wikipedia
 

Relevant Information:

Anal spines: 0; Anal soft rays: 10 - 13; Vertebrae: 40 - 42. Diagnosis: tooth patches narrow; horizontally based pectoral fins, placed low on the body; snout sharply narrowed rostrally; 40-42 vertebrae; 7-29 gill-rakers; 11-12 anal-fin rays; caudal saddle and bar pattern very faintly expressed; 7-8 branched caudal-fin rays; body finely spotted; lateral line complete. Description: head depressed; snout and tooth patches narrow; bodymore  or less fusiform; 17-18 abdominal vertebrae; 23-25 caudal vertebrae; 19 caudal-fin rays (arrangement: ii-7-8-ii) (Ref. 44050). Colouration: bicolored, occasionally sharply so; dorsum tan or light brown, venter pale and largely unpigmented, except for slight stippling on the underside of the head and around anal and pelvic fin bases, and scattered small spots; flank and dorsum well marked with generally small spots, 1-1.5  times an eye diameter large or smaller, with sometimes larger blotches posteriad; pectoral fin unspotted, rays may be dusky in adults; pelvic fin generally opaque, unspotted; adipose with pale distal margin, otherwise marked as dorsum; anal fin matches body ground color, lightly spotted in adults, with a pale distal margin in juveniles and adults; distal 2/3 of caudal fin dusky in juveniles and young, bounded by a clear distal margin and pale basal crescent; caudal fin in adults matches dorsum and flank ground colour, except for a clear distal margin, and is well marked with fine spots in  large adults (larger than 40cm SL); caudal saddle and bar pattern weakly developed, even in young; saddle slightly darker than ground color and extends to about mid- depth; pale interspace slightly lighter than ground color; caudal bar somewhat darker than saddle and present mostly on the caudal peduncle (not the caudal fin).

Common Name:

Dwarf Electric Catfish

Synonyms:

None

Family:

Malapteruridaelycipitidae

Distribution:

Africa: Congo basin; mainstream and large tributaries

Size:

60cm. (24ins)

Temp:

23 -28°C (73 -83°F)

p.H.

6.5 -7.2.

Reference:

Norris, S.M., 2002. A revision of the African electric catfishes, family Malapteruridae (Teleostei, Siluriformes), with erection of a new genus and descriptions of fourteen new species, and an annotated bibliography. Ann. Mus. R. Afr. Centr., Sci. Zool., 289:155 p

 

 

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                                                                                              updated = September 19, 2017 © ScotCat 1997-2017