|Cat-eLog Data Sheet|
|Scientific Name||Synodontis nebulosus Peters, 1852|
|Common Names||Cloudy Squeaker
Newelridge Skreeubaber (South African)
|Type Locality||Near Tette [Tete], Lower Zambezi R., Mozambique.|
|Synonym(s)||Leiosynodontis nebulosus, Synodontis nebulosa|
|Pronunciation||sin oh don tiss|
|Etymology||Synodontis: From the Greek syn, meaning together, and odontos, meaning tooth; in reference to the closely-spaced lower jaw teeth.|
|Size||150mm or 5.9" SL. Find near, nearer or same sized spp.|
|Identification||All species in the genus Synodontis have a hardened head cap that has attached a process (humeral process) which is situated behind the gill opening and pointed towards the posterior. The dorsal fin and pectoral fins have a hardened first ray which is serrated. Caudal fin is always forked. There is one pair of maxillary barbels, sometimes having membranes and occasionally branched. The two pairs of mandibular barbels are often branched and can have nodes attached. The cone-shaped teeth in the upper jaw are short. S-shaped and movable in the lower jaw. These fish produce audible sounds when disturbed rubbing the base of the pectoral spine against the pectoral girdle.
Body slender, tapered, caudal fin shallowly forked, adipose fin not very large. Mandibular teeth 12-24 in a narrow band, pramaxillary tooth pad broad with 24-35 primary teeth on narrow ventral shelf. Barbels short, maxillary barbels with smooth leading edge, branches of mandibular barbles short and stubby. The humeral process is triangular, pointed with convex margin in adults. Brown with large dark brown or yellowish brown blotches on body, fins spotted, ventral surface yellowish-white.
|Sexing||First lay the fish in your hand with its head toward your palm and the tail toward your fingers. Hold the dorsal spine between your middle and ring finger so the fish is belly up and you won't get stuck (Which by the way, hurts like crazy!). The genital pore is in a small furrow of tissue (in healthy fish) and will be obstructed by the pelvic fins. Pull down on the tail gently to arch the fishes spine and the pelvic fins will stand and the furrow open to display the genital pore and the anus of the fish. The male has a somewhat ridged genital papillae on which the spermatoduct is on the back side, facing the tail fin. A gravid female will also show an extended papillae but the oviduct is on the ventral side of the papillae (And may also show a little redness if really gravid). A thin or emaciated female will have just two pink pores, the oviduct and the anus.|
|Distribution||Africa: Zambezi basin, middle and lower part.
African Waters, Zambesi, Lower Zambesi (click on these areas to find other species found there)
African Waters, Zambesi, Middle Zambesi (click on these areas to find other species found there)
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|IUCN Red List Status||Least Concern|
|Other Parameters||Prefers floodplain to riverine habitats but does occur in rocky areas where habitats are restricted.|
|Feeding||Feeds on typical Synodontis diet of detritus, algae and benthic invertebrates|
|Breeding||Unreported. Distinct pairing during breeding. Breeds in summer rainy season.|
|Breeding Reports||There is no breeding report.|
|References||Monatsb. Akad. Wiss. Berlin1852 - pp682. Skelton, P. (2001) A Complete Guide to the Freshwater Fishes of Southern Africa. Struik pg. 251, Seegers, (2008) The Catfishes of Africa pg.453.|
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|More on Synodontis nebulosus|
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|Last Update||2013 Jul 19 18:07 (species record created: 2001 May 04 00:00)|