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🌊 Marine 🌡️ Temperate

Spiny cockscomb

Alectrias benjamini Jordan & Snyder, 1902
Max Length
10 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
0–20 m
Climate
Temperate
Resilience
Medium
Vulnerability
36.00/100
Typical Length
5 cm
Depth Zone
demersal

📖 Overview

Found in tide pools of rocky shores, among rocks and seaweed beds in bays . Oviparous, eggs are guarded by the female parent .

Scientific Name
Alectrias benjamini
Authority
Jordan & Snyder, 1902
Habitat
Marine
Climate
Temperate
Max Length
10 cm
Depth Range
0–20 m
Trophic Level
3.1
Resilience
Medium
Vulnerability
36.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 55 - 59; Dorsal soft rays (total): 0; Anal spines: 1; Anal soft rays: 39 - 41; Vertebrae: 60 - 64.

🌀 Behaviour

Behavioural data for Spiny cockscomb is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

Also Ref. 101194.

🌍 Habitat & Distribution

Marine; demersal; depth range 0 - 20 m . Temperate Northwest Pacific: southern Kuril Islands, Aniva Bay, Japan from Hokkaido to northern Honshu, Japan Sea from Tatar Strait to Korean Peninsula; Yellow Sea at Chefoo and Gulf of Pohai.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
10cm
Dorsal Spines
57
Anal Spines
1
Anal Rays
40
Vertebrae
62

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
36.00/100
Moderate vulnerability
Trophic Level
3.1
Predator
Climate Zone
Temperate
Described By
Jordan & Snyder, 1902

🗺️ 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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