Notoscopelus caudispinosus
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| Notoscopelus caudispinosus | |
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Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Myctophiformes |
| Family: | Myctophidae |
| Genus: | Notoscopelus |
| Species: | N. caudispinosus |
| Binomial name | |
| Notoscopelus caudispinosus | |
| Synonyms[2] | |
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Notoscopelus caudispinosus is a species of lanternfish in the family Myctophidae. It is found in the eastern and western Atlantic Ocean, the Indian Ocean and parts of the Pacific Ocean. It spends the day below 1,000 m (3,300 ft), rising towards the surface to feed at night.
Notoscopelus caudispinosus has a laterally compressed head and body with a maximum length of about 140 mm (5.5 in). The mouth is at the tip of the rounded snout and extends backwards to just behind the eye. The teeth are small. There are 24 to 27 soft rays in the dorsal fin, 19 to 21 in the anal fin and 11 to 13 in the pectoral fins. There are groups of photophores (small light organs) on the head and sides of the body. Above the caudal peduncle there is a row of eight to nine luminous scale-like segments in adult males, but male fish lack luminous organs above the eye and on the cheek.[3] N. caudispinosus differs from closely related species in having fewer than 15 gill rakers.[4]