New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Near Threatened 🌡️ Deep-water

Sicklefin chimaera

Neoharriotta pinnata Schnakenbeck, 1931
Max Length
130 cm
Max Weight
-
Lifespan
-
Trophic Level
4.3
Depth
150–800 m
Climate
Deep-water
Resilience
Low
Vulnerability
68.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Sicklefin chimaera (Neoharriotta pinnata), first described by Schnakenbeck, 1931 is a very large fish in the family Rhinochimaeridae (order Chimaeriformes). Adults typically reach 130.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 150 to 800 metres. It occurs in Deep-water waters. Diet is predominantly piscivorous, targeting other fish and larger prey. On the IUCN Red List, it is classified as Near Threatened.

Scientific Name
Neoharriotta pinnata
Authority
Schnakenbeck, 1931
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
NT
Max Length
130 cm
Depth Range
150–800 m
Trophic Level
4.3
Resilience
Low
Vulnerability
68.00/100
Salinity
30–40 ppt

🐟 Physical Description

A longnose chimaera with a narrow, slightly flattened snout, and blunt-edged, ridged tooth plates; pectoral fins short and broad, anal fin large and curved, and caudal fin with no tubercles on upper edge but with a short terminal filament . Dark brown in color .: elongated.

🌀 Behaviour

Behavioural data for Sicklefin chimaera is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous

Oviparous .

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 150 - 800 m , usually 200 - 470 m . Deep-water; - 23°S Indian Ocean: Arabian Sea (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4.3±0.64

📐 Morphometrics

Length–Weight Relationship: W = 0.00135 × L3.11 (TL)
Max TL
130cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Near Threatened
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
68.00/100
High vulnerability
Trophic Level
4.3
Apex / Top predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Schnakenbeck, 1931

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Harriotta pinnata Schnakenbeck 1931 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 673 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Sicklefin chimaera ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.