Mormyrus hasselquistii Valenciennes, 1847
Elephant snout
Mormyrus hasselquistii
photo by Mody, K.

Family:  Mormyridae (Elephantfishes)
Max. size:  50 cm SL (male/unsexed); max.weight: 1,115.0 g
Environment:  demersal; freshwater, potamodromous
Distribution:  Africa: Nile and Chad basins. Known from the great Sahelo-Soudanian basins in Senegal, Gambia and Volta; also in the Mono, the Gêba, the Bandama, the Comoe River, and the Ebrie and Aguien lagoons (Ref. 2915).
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 63-82; Anal spines: 0-0; Anal soft rays: 16-20. Caudal peduncle high, 1.1-2.0 length to length ratio. 4.2-6.2 SL/depth ratio; silver color sometimes grayish or darker, back grayish yellow, green or black, stomach white, whitish yellow or clear gray.
Biology:  Possesses electroreceptors over the entire head and on the ventral and dorsal regions of the body, but absent from the side and the caudal peduncle where the electric organ is located (Ref. 10011). A fractional spawner (Ref. 10605; 10606).
IUCN Red List Status: Least Concern (LC); Date assessed: 24 October 2019 Ref. (123251)
Threat to humans:  harmless
Country info:   

Entered by: Binohlan, Crispina B. - 04.03.91
Modified by: Sanciangco, Millicent - 23.08.04
Checked by: Sa-a, Pascualita - 26.08.94

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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