Synodontis sorex Günther, 1864 |
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photo by
Hippocampus-Bildarchiv |
Family: | Mochokidae (Squeakers or upside-down catfishes), subfamily: Mochokinae | |||
Max. size: | 36 cm SL (male/unsexed) | |||
Environment: | benthopelagic; freshwater, | |||
Distribution: | Africa: upper Senegal (Mali), Niger, Volta and Chad basins (Ref. 57223). Also in the Nile (Ref. 3202). | |||
Diagnosis: | Dorsal spines (total): 1; Anal spines: -0. Diagnosis: gill slits not extending ventrally beyond pectoral-fin insertions; post-orbital length at most 60% of snout length; maxillary barbels broadly fringed, shorter than head, unbranched and without tubercles, but with a well visible, broad basal membrane; mandibular barbels with rather numerous, long, simple and tuberculate ramifications; mandibular teeth very long, numbering 6-10 (10 in the lectotype); denticulations on pectoral-fin spines finer and more close-set on outer than on inner margin; dorsal-fin spine finely denticulate on anterior margin; humeral process deep, granulose, its lower margin convex, ending in a blunt point and not keeled; adipose fin normally developed and distinctly separated from rayed dorsal fin, its posterior margin truncate; caudal fin strongly developed as compared to that of other species (Ref. 57223). Coloration: general appearance greyish, ventral regions lighter; outer margins of caudal fin black-edged (Ref. 57223). | |||
Biology: | Oviparous (Ref. 205). Maximum reported size: 400mm TL, 310mm SL (Ref. 57223). | |||
IUCN Red List Status: | Least Concern (LC); Date assessed: 02 June 2019 Ref. (130435) | |||
Threat to humans: | harmless |