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🌊 Marine 🌡️ Temperate

Stone cockscomb

Alectrias alectrolophus Pallas, 1814
Max Length
10 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
0–100 m
Climate
Temperate
Resilience
Medium
Vulnerability
36.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Mainly intertidal, but may be found at depths as much as 100 m ; typically found shallower than 50 meters . Often in bays with pebble-rock debris bottoms . Oviparous, eggs are guarded by the female parent .

Scientific Name
Alectrias alectrolophus
Authority
Pallas, 1814
Habitat
Marine
Climate
Temperate
Max Length
10 cm
Depth Range
0–100 m
Trophic Level
3.1
Resilience
Medium
Vulnerability
36.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 59 - 66; Dorsal soft rays (total): 0; Anal spines: 1; Anal soft rays: 41 - 45; Vertebrae: 64 - 70. Gray to nearly black to bright spotted with patterns; usually a wavy line extending along back, separating dark portion from lighter spots that continue onto dorsal fin . Caudal fin rounded.

🌀 Behaviour

Behavioural data for Stone 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 - 100 m , usually ? - 50 m . Temperate Northwest Pacific: Commander Islands and southeastern Kamchatka to the Sea of Okhotsk and northern Sea of Japan.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.1±0.44

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
10cm
Dorsal Spines
63
Anal Spines
1
Anal Rays
43
Vertebrae
67

🌡️ 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
Pallas, 1814

👥 Community & Contribute

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