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Pungitius polyakovi Shedko, Shedko & Pietsch, 2005

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Pungitius polyakovi
Picture by Shedko, S.V.

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> Perciformes/Gasterosteoidei (Sticklebacks) > Gasterosteidae (Sticklebacks and tubesnouts)
Etymology: Pungitius: Name meaning one that pricks.

Environment: milieu / climate zone / depth range / distribution range экология

морской. Temperate

распространение страны | регионы FAO | Ecosystems | места находок | Point map | интродукции | Faunafri

Northwest Pacific: southeastern part of Sakhalin Island, Russia.

Size / Вес / Возраст

Maturity: Lm ?  range ? - ? cm
Max length : 5.1 cm SL самец/пол неопределен; (Ref. 86731)

Краткое описание определительные ключи | морфология | морфометрия

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 (Ref. 86731).

биология     глоссарий (например epibenthic)

Males build, guard and aerate the nest where the eggs are deposited (Ref. 205).

Life cycle and mating behavior Maturities | размножение | Spawnings | Egg(s) | Fecundities | личинки

Males build, guard and aerate the nest where the eggs are deposited (Ref. 205).

Основная ссылка Upload your references | ссылки | координатор | соавторы

Shedko, S.V., M.B. Shedko and T.W. Pietsch, 2005. Pungitius polyakovi sp n., a new species of ninespine sticklebask (Gasterosteiformes, Gasterosteidae) from southern Sakhalin Island. pp. 223-233. In Storozhenko & Yu (ed). Flora and Fauna of Sakhalin Island... Part 2. pp. 1-250. Flora and Fauna of Sakhalin Island: 223-233. (Ref. 86731)

Статус Красного Списка МСОП (Ref. 130435)

  Близок к исчезновению (NT) (B1ab(iii)); Date assessed: 29 January 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Угроза для людей

  Harmless





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дополнительная информация

Trophic ecology
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ресурсы в Интернет

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5020   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00205 - 0.01068), b=3.04 (2.83 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.3   ±0.2 se; based on size and trophs of closest relatives
устойчивость к внешним воздействиям (Ref. 120179):  высокий, минимальное время удвоения популяции до 15 месяцев (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).