Longfin Pearleye

Benthalbella linguidens

Scopelarchidae · saltwater water fish

1 minute read · Species guide

Longfin Pearleye field guide illustration

About Longfin Pearleye

Benthalbella linguidens, the longfin pearleye, is a species of ray-finned fish that can be found in the North Pacific from Japan to California. It is a member of Benthalbella, a genus of pearleyes.

Size

This species reaches a max length in excess of 30 cm (12 in).

Biology

Most often found between 50 and 300 m (160 and 980 ft) during both day and night. They exhibit diel vertical migration, and individuals commonly migrate to 50 m (160 ft) or shallower during nighttime. Diet depends on life stage, with juveniles feeding on crustaceans while adults mainly feeding on other fish.

Article text: Wikipedia contributors, Benthalbella linguidens (source revision). Licensed under CC BY-SA 4.0. Retrieved 2026-10-11.

Range

Where it lives

Share of 10 GBIF observation records with a state location, across 2 states.
0%
90%
Share of 10 GBIF observation records with a state location, across 2 states.

Share of records by state

Habitat

Water and movement

Water
WoRMS records this species in the sea.

Classification

Taxonomy

Kingdom
Animalia
Phylum
Chordata
Superclass
Actinopterygii
Class
Teleostei
Order
Aulopiformes
Genus
Benthalbella
Species
Benthalbella linguidens
ITIS TSN
644721
WoRMS AphiaID
272103
GBIF key
2401441

Common questions about Longfin Pearleye

What is the scientific name of Longfin Pearleye?
The scientific name is Benthalbella linguidens, in the family Scopelarchidae. Classification follows ITIS.
Does Longfin Pearleye live in fresh water or salt water?
WoRMS records this species in the sea.
Where has Longfin Pearleye been recorded in the United States?
GBIF has observations in 2 states, with the most records in California, Alaska. The map shows observation records, which do not establish the complete natural range.

Closest relatives

Other Benthalbella species

Same family

More Scopelarchidae