Krefftichthys anderssoni (Lönnberg, 1905)
Rhombic lanternfish
photo by SFSA

Family:  Myctophidae (Lanternfishes), subfamily: Myctophinae
Max. size:  7.1 cm SL (male/unsexed)
Environment:  bathypelagic; marine; depth range - 2700 m, oceanodromous
Distribution:  Ranges from the Antarctic Divergence/Weddell-Scotia Confluence to the northern boundary limits (usually considered to coincide with the geographic location of the Subtropical Convergence), and further north in meridional currents: to 32°-33°S in Peruvian Current and to 34°S in Falkland Current.
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 12-14; Anal spines: 0-0; Anal soft rays: 17-20
Biology:  Oceanic (Ref. 4066). Found in the upper 50-100 m south of Antarctic Polar Front at night, but deeper (500-600 m) north of Antarctic Polar Front and at depths greater than 1,000 m at Subtropical Convergence. Feeds mainly on copepods, and also on euphausiids and amphipods.
IUCN Red List Status: Least Concern (LC); Date assessed: 04 February 2009 Ref. (130435)
Threat to humans:  harmless


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