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Blacksaddle snake eel (Callechelys catostoma) — Ophichthidae

Blacksaddle snake eel

Callechelys catostoma
Family: Ophichthidae

The Blacksaddle snake eel (Callechelys catostoma) is a saltwater fish of the family Ophichthidae that grows up to 85 cm.

Length
85 cm
Water
Saltwater
Depth
1.0–32.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Snake-like
Substrate
Sand / mud bottom
Danger
Harmless
Range
Oceania: Australia, Cocos Is. (Keel), Cook Is., French Polynesia, Guam, India and others

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Description

The Blacksaddle snake eel is a snake eel (Ophichthidae) from shallow sand and estuarine water of the Indo-West Pacific. The species has an elongate, eel-like, pale body with a pointed, hard tail tip with which it burrows backwards into the bottom. As a bottom-dweller it lives largely buried, sometimes projecting its head, and snaps at small fish, crustaceans and worms. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Blacksaddle snake eel?

The Blacksaddle snake eel has a snake-like body and is mainly silver-grey.

Where does the Blacksaddle snake eel live?

The Blacksaddle snake eel lives in the sea (marine waters) and is mostly found around sand or mud bottom. Oceania: Australia, Cocos Is. (Keel), Cook Is., French Polynesia, Guam, India and others

How big does the Blacksaddle snake eel get?

The Blacksaddle snake eel grows to a maximum of about 85 cm.

Is the Blacksaddle snake eel dangerous to humans?

No, the Blacksaddle snake eel 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.

More photos

Blacksaddle snake eel (Callechelys catostoma) — Ophichthidae — 2
Williams, Jeffrey T. (CC0 1.0) via GBIF — USNM
Blacksaddle snake eel (Callechelys catostoma) — Ophichthidae — 3
Williams, Jeffrey T. (CC0 1.0) via GBIF — USNM
Blacksaddle snake eel (Callechelys catostoma) — Ophichthidae — 4
Randall, John E. (CC0 1.0) via GBIF — USNM
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All data

Identification

English name
Blacksaddle snake eel sourced
Scientific name
Callechelys catostoma
Family
Ophichthidae
Other names
Blackstriped snake eel; Black-striped snake eel; Dark band snake eel verified

Appearance

Size class
Extra large verified
Max length (cm)
85.0 verified
Body shape
Snake-like sourced
Dominant colour
Silver / grey inferred
Tail shape
Straight inferred

Habitat & distribution

Water type
Saltwater sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
1.0 verified
Max depth (m)
32.0 verified
Natural range
Oceania: Australia, Cocos Is. (Keel), Cook Is., French Polynesia, Guam, India and others sourced
Origin
Native inferred

Behaviour & biology

Diet
Carnivore inferred
Diet (detail)
Small fishes, crustaceans and invertebrates inferred
Social behaviour
Solitary inferred
Territorial
No inferred
Activity
Nocturnal inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

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 verified
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

Same genus Callechelys

More from the family Ophichthidae

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