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Lepidogalaxias salamandroides Mees, 1961

Salamanderfish
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Image of Lepidogalaxias salamandroides (Salamanderfish)
Lepidogalaxias salamandroides
Picture by Berra, T.M.

Классификация / Names народные названия | синонимы | Catalog of Fishes(род, виды) | ITIS | CoL | WoRMS | Cloffa

> Lepidogalaxiiformes (Salamanderfishes) > Lepidogalaxiidae (Salamanderfishes)
Etymology: Lepidogalaxias: Greek,lepis, lepidos = scale + Greek, galaxias, ou = a kind of fish (Ref. 45335).

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

; пресноводный демерсальный; pH range: 3.8 - 4.5; dH range: 5 - ?; немигрирующий. Temperate; 17°C - 26°C (Ref. 36498); 34°S - 35°S

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Oceania: endemic to Western Australia in seasonal pools between the Blackwood and Kent rivers.

Length at first maturity / Size / Вес / Возраст

Maturity: Lm 4.3  range ? - ? cm
Max length : 7.4 cm SL самец/пол неопределен; (Ref. 44894); 6.7 cm TL (female); common length : 4.0 cm SL самец/пол неопределен; (Ref. 5259)

биология     глоссарий (например epibenthic)

Facultative air-breathing (Ref. 126274); Occurs in shallow streams, drains and temporary pools in generally acidic water around pH 4. Water typically is tea-coloured (Ref. 44894). Feeds mainly on aquatic insect larvae and small crustaceans. Spawn: late winter, early spring; internal fertilization (male with modified anal fin); female laying about 100 eggs. Rapid growth of hatchlings (reaching 2.5 cm by summer). Life cycle may be limited to 12 months. Young fish aestivates in pear-shaped burrow in mud until water returns in autumn. They have no accessory respiratory structures and cannot withstand low oxygen situations (Ref. 36499). About 25-30% of the population attains sexual maturity at the end of the first year. The breeding season coincides with heavy rains between late May and August. The lifespan typically lasts three years, but some fish persist for up to five years (Ref. 44894).

Life cycle and mating behavior половая зрелость | размножение | нерест | икра | Fecundity | личинки

Internal fertilization is facilitated by the modified anal fin of the male. Female deposits about 100 eggs in the shallows.

Основная ссылка Upload your references | ссылки | координатор : Berra, Tim M. | соавторы

Berra, T.M. and G.R. Allen, 1991. Population structure and development of Lepidogalaxias salamandroides (Pisces: Salmoniformes) from western Australia. Copeia 1991(3):845-850. (Ref. 36498)

Статус Красного Списка МСОП (Ref. 130435: Version 2024-1)

  Под угрозой исчезновения (EN) (B1ab(i,ii,iii,iv)+2ab(i,ii,iii,iv)); Date assessed: 09 January 2019

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 = 1.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.1   ±0.4 se; based on diet studies.
Generation time: 1.7 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
устойчивость к внешним воздействиям (Ref. 120179):  низкий, минимальное время удвоения популяции 4.5-14 лет (Fec = 37).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (27 of 100).