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Sicklefin chimaera (Neoharriotta pinnata) — Rhinochimaeridae

Sicklefin chimaera

Neoharriotta pinnata
NT · Near Threatened

The Sicklefin chimaera (Neoharriotta pinnata) is a saltwater fish of the family Rhinochimaeridae that grows up to 130 cm.

Length
130 cm
Water
Saltwater
Depth
150.0–800.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Irregular
Substrate
Sand / mud bottom
Danger
Venomous / poisonous
Range
Eastern Atlantic along the coast of West Africa, on soft bottoms of the deeper continental slope area.
Edibility
Not eaten

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Description

The sicklefin chimaera is a deep-water chimaera of the family Rhinochimaeridae, related to sharks and rays, reaching about 1.3 metres including the tail. The brown, scaleless body has large eyes, a long pointed snout and ends in a thin, whip-like tail. Before the first dorsal fin stands a strong, venomous spine. Instead of teeth it has flat tooth plates with which it crushes shellfish, molluscs and worms from the bottom. The species lives on soft bottoms of the deeper continental slope along the West African coast and is egg-laying, with eggs in long horny cases. Through bycatch in the deep-sea fishery it is assessed as Near Threatened (NT).

Frequently asked questions

How do you recognise the Sicklefin chimaera?

The Sicklefin chimaera has an irregular in shape body, is mainly brown and shows a plain pattern. Deep-water ratfish (chimaera) with large eyes, a long pointed snout, a long whip-like tail and a venomous spine in front of the first dorsal fin.

Where does the Sicklefin chimaera live?

The Sicklefin chimaera lives in the sea (marine waters) and is mostly found around sand or mud bottom. Eastern Atlantic along the coast of West Africa, on soft bottoms of the deeper continental slope area.

How big does the Sicklefin chimaera get?

The Sicklefin chimaera grows to a maximum of about 130 cm.

Is the Sicklefin chimaera dangerous to humans?

The Sicklefin chimaera is venomous — handle spines with care and seek medical help after a sting if needed. Before the first dorsal fin stands a strong, venomous spine that causes painful puncture wounds; handle a caught animal carefully and seek medical help for a severe reaction.

Is the Sicklefin chimaera edible?

The Sicklefin chimaera is not usually eaten.

More photos

Sicklefin chimaera (Neoharriotta pinnata) — Rhinochimaeridae — 2
Wikimedia Commons — Fredrick Hermanus Van der Bank (CC0)
Sicklefin chimaera (Neoharriotta pinnata) — Rhinochimaeridae — 3
iNaturalist ((c) Venkatesh Saroj, some rights reserved (CC BY-NC))
Sicklefin chimaera (Neoharriotta pinnata) — Rhinochimaeridae — 4
Florida Museum of Natural History Ichthyology (CC BY-NC 4.0) via GBIF — UF
Sicklefin chimaera (Neoharriotta pinnata) — Rhinochimaeridae — 5
Wikimedia Commons — Fredrick Hermanus Van der Bank (CC0)
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All data

Identification

English name
Sicklefin chimaera verified
Scientific name
Neoharriotta pinnata
Family
Rhinochimaeridae
Other names
Sicklefin chimaera verified

Appearance

Size class
Extra large verified
Max length (cm)
130.0 verified
Body shape
Irregular verified
Dominant colour
Brown sourced
Pattern
Plain sourced
Tail shape
Straight inferred
Mouth position
Inferior (downward) inferred
Lips
Thick / fleshy inferred
Barbels
No verified
Dorsal fins
Two separate sourced
Dorsal spines
Yes verified

Habitat & distribution

Water type
Saltwater verified
Substrate
Sand / mud bottom verified
Min depth (m)
150.0 verified
Max depth (m)
800.0 verified
Natural range
Eastern Atlantic along the coast of West Africa, on soft bottoms of the deeper continental slope area. verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore verified
Diet (detail)
Crustaceans, molluscs and worms, crushed with flat tooth plates sourced
Social behaviour
Solitary verified
Territorial
No verified
Activity
Nocturnal inferred
Reproduction
Separate sexes verified
Sexual dimorphism
Yes verified
Seasonality
Slow deep-water dweller; oviparous, with eggs in long, horny capsules. sourced
Special features
Deep-water ratfish (chimaera) with large eyes, a long pointed snout, a long whip-like tail and a venomous spine in front of the first dorsal fin. sourced

For anglers

Edibility
Not eaten verified
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
Venomous / poisonous verified
First aid
Before the first dorsal fin stands a strong, venomous spine that causes painful puncture wounds; handle a caught animal carefully and seek medical help for a severe reaction. sourced

Status & sources

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

More from the family Rhinochimaeridae

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