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🌊 Marine 🌡️ Deep-water

Smallmouth spiny eel

Polyacanthonotus rissoanus De Filippi & Verany, 1857
Max Length
39.9 cm
Max Weight
Lifespan
Trophic Level
3.5
Depth
500–2875 m
Climate
Deep-water
Resilience
Very low
Vulnerability
65.00/100
Typical Length
Depth Zone
deep-water

📖 Overview

Overview information for Smallmouth spiny eel is currently being compiled by our editorial team.

Scientific Name
Polyacanthonotus rissoanus
Authority
De Filippi & Verany, 1857
Habitat
Marine
Climate
Deep-water
Max Length
39.9 cm
Depth Range
500–2875 m
Latitude
35°S – 74°N
Trophic Level
3.5
Resilience
Very low
Vulnerability
65.00/100
Water Temp
3–11 °C
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 26 - 36; Dorsal soft rays (total): 0. Same body coloration as P. africanus but lateral line lighter and less distinct . Maxilla fails to extend back to the posterior of nostril. Small mouth, short preoral snout. Light tan with black tips .: eel-like.

🌀 Behaviour

Polyacanthonotus rissoanus feeds on coelenterates, worms and crustaceans. == References ==

🦐 Diet

Diet information for Smallmouth spiny eel is currently being compiled.

🥚 Reproduction

Reproduction data for Smallmouth spiny eel is currently being compiled.

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 500 - 2875 m , usually 540 - 2875 m . Deep-water; 3°C - 11°C ; 74°N - 35°S, 76°W - 36°E South Africa, including the Mediterranean Sea.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.5±0.42
Food Items

coelenterates, worms and crustaceans (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00102 × L3.06 (TL)
Max TL
39.9cm
Dorsal Spines
31

🌡️ Water Parameters & Tolerance

Temperature Range
3–11°C
Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
65.00/100
High vulnerability
Trophic Level
3.5
Predator
Climate Zone
Deep-water
Latitude Range
74°N – 35°S
Described By
De Filippi & Verany, 1857

🌐 Names & Taxonomy

Language Common Names
🇬🇧English shortspine tapirfish · Smallmouth spiny eel
🌍CES ostnohřbetec Rissoův
🇫🇮Finnish suppusuupiikkiankerias
🇫🇷French Poisson-tapir à petites épines, Policante, Tapir à petites épines
🌍ISL Fjölbroddabakur
🇵🇹Portuguese Enguia-paradoxo-de-Giglioli
🇷🇺Russian Макдональдия · Многошип Риссо

Scientific Synonyms

Scientific Name Author Year Status
Macdonaldia rostrata Collett 1889 Synonym
Notacanthus rissoanus De Filippi & Verany 1857 Synonym
Notacanthus rostratus Collett 1889 Synonym
Paradoxichthys garibaldianus Giglioli 1882 Synonym
Polyacanthonotus rostratus Collett 1889 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 26 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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