Electrona risso (Cocco, 1829)
Electric lantern fish
Electrona risso
photo by Fischer, L.G.

 Family:  Myctophidae (Lanternfishes), subfamily: Myctophinae
 Max. size:  8.2 cm SL (male/unsexed); max. reported age: 2 years
 Environment:  bathypelagic; depth range 90 - 1485 m, oceanodromous
 Distribution:  Eastern Atlantic: British Isles to Namibia, also the Mediterranean (gap across region of cyclonic gyre between the South Equatorial Countercurrent and western branch of Benguela Current (5°S-13°S). Larvae, however, are not found among the cruise collections in the Agulhas Current Region (Ref. 41388). Western Atlantic: off Suriname to Brazil (Ref. 13608). Northwest Atlantic: Canada (Ref. 5951). Indian Ocean: 0°-40°S. Western Pacific: Australia (Ref. 7300). Eastern Pacific: 42°-25°N, 5°-20°S and west of 80°W. Recorded from off Tungkang in Taiwan and Tungsha Islands in South China Sea (Ref. 39633).
 Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 12-15; Anal spines: 0-0; Anal soft rays: 18-20; Vertebrae: 32-34. Branchiostegal rays: 7-9 (Ref. 31442).
 Biology:  Oceanic, found between 225-750 m during the day and between 90-375 m (juveniles) and 450-550 m (adults) at night. Epipelagic to mesopelagic (Ref. 31442). Widespread distribution in all oceans, limited by 10° and 15°C isotherms at 200 m and by a productivity greater than 50g Carbon per square meter per year. Sexually mature from about 5.9 cm. Spawn mainly during summer to autumn in the Mediterranean (Ref. 4775). Oviparous, with planktonic eggs and larvae (Ref. 31442). Also Ref. 58302.
 IUCN Red List Status:   (Ref. 96402)
 Threat to humans:  harmless
 Country info:   

 Entered by: Papasissi, Christine - 22.10.90
 Modified by: Bailly, Nicolas - 02.12.15
 Checked by: Agustin, Liza Q. - 16.08.94

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