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💧 Freshwater Least Concern 🌡️ Temperate

Cottus Kolymensis

Cottus kolymensis Sideleva & Goto, 2012
Max Length
9.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Temperate
Resilience
Medium
Vulnerability
35.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Cottus Kolymensis (Cottus kolymensis), first described by Sideleva & Goto, 2012 is a small fish in the family Cottidae (order Perciformes). Adults typically reach 9.90 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Temperate waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Cottus kolymensis
Authority
Sideleva & Goto, 2012
Habitat
Freshwater
Climate
Temperate
IUCN Status
LC
Max Length
9.9 cm
Trophic Level
3.3
Resilience
Medium
Vulnerability
35.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Anal soft rays: 12 - 14; Vertebrae: 33 - 34. Distinguished by having the following characters: length of internal ray of ventral fin very short, 15-30% of the long ray length; interorbital space wide and equal or slightly smaller than longitudinal eye diameter; palatine bones with teeth; fifth pore (pm5) of preoperculo-mandibular canal is usually paired; incomplete lateral canal with two to three autonomous segments at the end, with total number of pores from 13 + 2 + 2 + 2 to 23 + 2 + 2 .

🌀 Behaviour

Behavioural data for Cottus Kolymensis is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Temperate

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00832 × L3.16 (TL)
Max TL
9.9cm
Anal Rays
13
Vertebrae
34

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
35.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Temperate
Described By
Sideleva & Goto, 2012

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