Pungitius Polyakovi

📖 Overview

Pungitius Polyakovi (Pungitius polyakovi) is a ray-finned fish of the family Gasterosteidae. It inhabits marine (saltwater) waters in pelagic environments. This species can reach a maximum total length of 5.1 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Near Threatened on the IUCN Red List.

🔬 Taxonomy

🐟 Physical Description

This species is distinguished from its congeners in having the following set of characters: membranes of dorsal-fin spines darkly pigmented (in specimens greater than 17 mm SL); spawning males with lower part of head and abdomen darkly pigmented; membranes of dorsal-fin spines black; membranes of pelvic-fin spine blue and white; pelvic-fin spine dark with lightly pigmented tip; anal-fin spine dark at base, blue and white distally; numerous small black dots on membranes between rays of dorsal and anal fins, resulting in an overall dark-grey coloration; no anteroventral branch of ectocoracoid (ectocoracoids not extending beneath junction of cleithra); no ascending branch on pelvic skeleton; modal number of dorsal-fin spines 10; presence of caudal peduncle keel (4-6 scutes), no lateral scutes on trunk absent; pelvic-fin spine with smooth lateral margins; posterior margin of caudal fin rounded .: elongated.

🌀 Behaviour

Behavioural data for Pungitius Polyakovi is currently being reviewed.

🦐 Diet

Diet information for Pungitius Polyakovi is currently being compiled.

🥚 Reproduction

Males build, guard and aerate the nest where the eggs are deposited .

🌍 Habitat & Distribution

Marine; pelagic-neritic. Temperate Northwest Pacific: southeastern part of Sakhalin Island, Russia.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

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