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🌊 Marine 🌡️ Temperate

Freemanichthys Thompsoni

Freemanichthys thompsoni Jordan & Gilbert, 1898
Max Length
22 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
10–300 m
Climate
Temperate
Resilience
Medium
Vulnerability
32.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Freemanichthys Thompsoni (Freemanichthys thompsoni), first described by Jordan & Gilbert, 1898 is a medium-sized fish in the family Agonidae (order Perciformes). Adults typically reach 22.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 10 to 300 metres. It occurs in Temperate waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.

Scientific Name
Freemanichthys thompsoni
Authority
Jordan & Gilbert, 1898
Habitat
Marine
Climate
Temperate
Body Shape
Elongated
Max Length
22 cm
Depth Range
10–300 m
Trophic Level
3.3
Resilience
Medium
Vulnerability
32.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 8 - 10; Dorsal soft rays (total): 5 - 7; Anal spines: 0; Anal soft rays: 6 - 8. Snout projecting forward, with a pair of patches of barbels on its ventral surface. A well-developed strong keel is on the lateral side of the head.: elongated.

🌀 Behaviour

Behavioural data for Freemanichthys Thompsoni is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

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

🌍 Habitat & Distribution

Marine; demersal; depth range 10 - 300 m . Temperate Northwest Pacific: Japan to the Sea of Okhotsk and the Sea of Japan.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
22cm
Dorsal Spines
9
Dorsal Rays
6
Anal Rays
7

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
32.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
Jordan & Gilbert, 1898

👥 Community & Contribute

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