Synodontis annectens Boulenger, 1911

Family:  Mochokidae (Squeakers or upside-down catfishes), subfamily: Mochokinae
Max. size:  33.5 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Africa: basins of the Gambia, Géba (including its affluent Culufi), Tominé (Corubal), Kogon, Great Scarcies/Kolenté, Jong/Pampana and Sewa in Senegal, Gambia, Guinea-Bissau, Guinea and Sierra Leone (Ref. 57223).
Diagnosis:  Dorsal spines (total): 1; Anal spines: -0. Diagnosis: gill slits not extending ventrally beyond pectoral-fin insertions; snout over 50% of head length and over 80% of head width; post-ocular length less than 30% of head length; maxillary barbels slightly shorter than head, bearing externally some short and simple ramifications and a broad basal membrane; outer and inner mandibular barbels with numerous tuberculate ramifications; mandibular teeth long, numbering 6-9 (8 in the lectotype); pectoral-fin spines weakly denticulate on inner margin and very slightly crenulated externally; dorsal-fin spine smooth anteriorly and prolonged into a filament; humeral process deep, blunt, granulose and not keeled ventrally; adipose fin long, low and rather close to rayed dorsal fin (Ref. 57223). Coloration: general appearance rather dark, with ventral areas lighter; outer margins of caudal-fin lobes black-edged (Ref. 57223).
Biology:  Oviparous (Ref. 205). Maximum total length 323mm (Ref. 57223).
IUCN Red List Status: Least Concern (LC); Date assessed: 22 October 2019 Ref. (130435)
Threat to humans:  harmless


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