Blackbelly lanternshark

Blackbelly lanternshark

Taxobox
name = Blackbelly lanternshark
status =
status_system =


image_caption = Drawing by Dr Tony Ayling
regnum = Animalia
phylum = Chordata
classis = Chondrichthyes
subclassis = Elasmobranchii
ordo = Squaliformes
familia = Dalatiidae
genus = "Etmopterus"
species = "E. lucifer"
range_



range_map_width = 200px
range_map_caption = Range of the blackbelly lanternshark (in blue)
binomial = "Etmopterus lucifer"
binomial_authority = Jordan & Snyder, 1902
The blackbelly lanternshark or lucifer shark, "Etmopterus lucifer", is a shark of the family Dalatiidae, found circumglobally in tropical, subtropical and temperate seas, at depths of between 150 and 1,250 m. Its length is up to 47 cm.

The blackbelly lanternshark has a pointed, slightly upturned snout and a spine in front of each of two dorsal fins the second of which is larger than the first. The pelvic fins are also larger than the pectorals. Dermal denticles shaped like curving erect spines are arranged in conspicuous longitudinal rows. The upper jaw teeth are separate and sharply pointed - the lower are set broad and overlapping to form a continuous cutting edge.

The belly is black and contains a dense array of small photophores emitting green light. The flanks and back are dark grey and there is an abrupt colour division with the black underside.

They feed on squid, small bony fish and shrimp.

Blackbelly lanternsharks are ovoviviparous.

References

*
* Tony Ayling & Geoffrey Cox, "Collins Guide to the Sea Fishes of New Zealand", (William Collins Publishers Ltd, Auckland, New Zealand 1982) ISBN 0-00-216987-8


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