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🌊 Marine Least Concern 🌡️ Temperate

Tadpole fish

Raniceps raninus Linnaeus, 1758
Max Length
30 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
0–100 m
Climate
Temperate
Resilience
-
Vulnerability
17.00/100
Typical Length
20 cm
Depth Zone
demersal

📖 Overview

Lives in coastal waters at shallow depths, generally from 10-20 m, more seldom from 75-100 m, on rocky bottom with seaweeds. Solitary and secretive, undertakes only limited local movements. Spawns from May to September at 50-70 m depth near the shore throughout its entire range. Feeds on sea stars, crustaceans, worms, mollusks and small fish .

Scientific Name
Raniceps raninus
Authority
Linnaeus, 1758
Habitat
Marine
Climate
Temperate
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
30 cm
Depth Range
0–100 m
Trophic Level
3.8
Vulnerability
17.00/100
Migration
Oceanodromous
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Anal spines: 0. Head depressed. First dorsal fin poorly developed, with only three short rays. Color uniformly dark brown or bluish brown; the lips and the distal areas of all fins paler except for the pectorals.: fusiform / normal; Cross section: circular.

🌀 Behaviour

Behavioural data for Tadpole fish is currently being reviewed.

🦐 Diet

Diet information for Tadpole fish is currently being compiled.

🥚 Reproduction

🐣 Oviparous

Oviparous, sexes are separate .

🌍 Habitat & Distribution

Marine; brackish; demersal; oceanodromous ; depth range 0 - 100 m , usually 10 - 20 m . Temperate; 68°N - 44°N, 11°W - 13°E Northeast Atlantic: Trondheim on the Norwegian coast to the Bay of Biscay; also around the British Isles.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Migration
Oceanodromous
Trophic Level
3.8±0.56
🧍 Solitary
Food Items

sea stars, crustaceans, worms, mollusks and small fish (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01072 × L3.06 (TL)
Max TL
30cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2014

📊 Population Risk & Fisheries

Fishing Vulnerability
17.00/100
Low vulnerability
Trophic Level
3.8
Predator
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Linnaeus, 1758

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 8 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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