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Electrona risso (Cocco, 1829)

Description

Dorsal spines (total): 0; Dorsal soft rays (total): 12 - 15; Anal spines: 0; Anal soft rays: 18 - 20; Vertebrae: 32 - 34. Branchiostegal rays: 7-9 (Ref. 31442).

Common Names

No common names available.

Taxonomic Hierarchy

Kingdom: Animalia

Phylum: Chordata

Class: Teleostei

Order: Myctophiformes

Family: Myctophidae

Genus: Electrona

Species: Electrona risso (Cocco, 1829)

Climate Zone

  • oceanodromous

    • Location

  • 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).

    • 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.

    Habitat

    bathypelagic

    Conservation Status

    Least Concern

    Threat to Humans

    Harmless