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🌊 Marine Least Concern 🌡️ Deep-water

Robust assfish

Bassozetus robustus Smith & Radcliffe, 1913
Max Length
64 cm
Max Weight
-
Lifespan
-
Trophic Level
3.7
Depth
1035–4420 m
Climate
Deep-water
Resilience
Medium
Vulnerability
52.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Benthopelagic at bathyal depth . Found on the continental slope . Common species . Oviparous, with oval pelagic eggs floating in a gelatinous mass . Of the 36 female specimens caught, 3 with 0.5-1.0 mm eggs. No identifiable stomach contents were found .

Scientific Name
Bassozetus robustus
Authority
Smith & Radcliffe, 1913
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
LC
Max Length
64 cm
Depth Range
1035–4420 m
Trophic Level
3.7
Resilience
Medium
Vulnerability
52.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 115 - 123; Anal spines: 0; Anal soft rays: 94 - 102; Vertebrae: 64. Snout inflated; eyes much smaller than snout; opercular spine weak or absent; preopercle without spines and posteriorly expanded almost reaching posterior margin of opercle; pseudobranchial filaments 2 .: elongated.

🌀 Behaviour

Behavioural data for Robust assfish is currently being reviewed.

🦐 Diet

Diet information for Robust assfish is currently being compiled.

🥚 Reproduction

Reproduction data for Robust assfish is currently being compiled.

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 1035 - 4420 m , usually 1069 - 1922 m . Deep-water

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.7±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.0038 × L3.14 (TL)
Max TL
64cm
Dorsal Rays
119
Anal Rays
98
Vertebrae
64

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
52.00/100
Moderate-High vulnerability
Trophic Level
3.7
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Smith & Radcliffe, 1913

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Robust Assfish
🌍CES hrujovka statná
🇯🇵Japanese Ishifukumenitachiuo · イシフクメンイタチウオ
🇨🇳Chinese 壯體索深鼬魚 · 壯體索深鼬鳚 · 鼬魚

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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