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Sailfin sculpin (Nautichthys oculofasciatus) — Hemitripteridae

Sailfin sculpin

Nautichthys oculofasciatus

The Sailfin sculpin (Nautichthys oculofasciatus) is a saltwater fish of the family Hemitripteridae that grows up to 20 cm.

Length
20 cm
Water
Saltwater
Depth
0–110.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
Northeast Pacific
Edibility
Not eaten

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Description

The sailfin sculpin is a small sculpin (Cottidae relative) from the cool coastal waters of the northeastern Pacific. The species grows to about 20 cm and has a slender, brown-mottled body, a dark band over the eye and a striking tall, sail-like front dorsal fin that it rocks back and forth. As a nocturnal bottom-dweller it lives among rocks, weed and kelp to about one hundred and ten metres deep and hunts small crustaceans and worms. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Sailfin sculpin?

The Sailfin sculpin has an elongate, eel-like body, is mainly brown and shows a marbled pattern. Tall sail-shaped first dorsal fin; nocturnal sculpin

Where does the Sailfin sculpin live?

The Sailfin sculpin lives in the sea (marine waters) and is mostly found around sand or mud bottom. Northeast Pacific

How big does the Sailfin sculpin get?

The Sailfin sculpin grows to a maximum of about 20 cm.

Is the Sailfin sculpin dangerous to humans?

No, the Sailfin sculpin is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

Is the Sailfin sculpin edible?

The Sailfin sculpin is not usually eaten.

More photos

Sailfin sculpin (Nautichthys oculofasciatus) — Hemitripteridae — 2
iNaturalist ((c) Masumi Palhof, some rights reserved (CC BY-NC))
Sailfin sculpin (Nautichthys oculofasciatus) — Hemitripteridae — 3
iNaturalist ((c) IHUNTA, some rights reserved (CC BY-NC))
Sailfin sculpin (Nautichthys oculofasciatus) — Hemitripteridae — 4
Katherine Panfilova (CC BY-NC 4.0) via GBIF — iNaturalist
Sailfin sculpin (Nautichthys oculofasciatus) — Hemitripteridae — 5
iNaturalist ((c) André Giraldi, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Sailfin sculpin verified
Scientific name
Nautichthys oculofasciatus
Family
Hemitripteridae
Other names
Sailfin sculpin; Sailor-fish verified

Appearance

Size class
Medium verified
Max length (cm)
20.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown sourced
Pattern
Marbled sourced
Tail shape
Rounded inferred
Mouth position
Terminal sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
Two separate sourced
Dorsal spines
No sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Sand / mud bottom sourced
Max depth (m)
110.0 verified
Natural range
Northeast Pacific verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small crustaceans and worms inferred
Social behaviour
Solitary sourced
Territorial
No sourced
Activity
Nocturnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
Seasonality
Rock- and kelp-dwelling sculpin; present year-round. sourced
Special features
Tall sail-shaped first dorsal fin; nocturnal sculpin sourced

For anglers

Edibility
Not eaten sourced
Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

More from the family Hemitripteridae

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