Cottus Koshewnikowi
📖 Overview
Cottus Koshewnikowi (Cottus koshewnikowi), first described by Gratzianov, 1907 is a small fish in the family Cottidae (order Perciformes). Adults typically reach 10.00 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.
🔬 Taxonomy
🐟 Physical Description
Anal soft rays: 11 - 14. Can be distinguished from other species of Cottus in Europe by the combination of the following characters: lateral line incomplete; reaching to anal-fin base, usually with 17-25 pores; at vertical of 10th ray of second dorsal fin, lateral line clearly above horizontal midline, distance from dorsal midline to lateral line 1.5-2.1 times in distance from ventral midline to lateral line; no distinct transverse bands on pelvic fin; prickling on body variable, in juveniles usually extending to caudal peduncle .
🌀 Behaviour
Behavioural data for Cottus Koshewnikowi is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; benthopelagic. Temperate west to Estonia (Ref.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
No observations yet - be the first to log one!
View all observations for Cottus Koshewnikowi ↗Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.
Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.