Lepidogalaxias salamandroides  Mees, 1961

Dwarf pencilfish
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Lepidogalaxias salamandroides
Picture by Berra, T.M.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Osmeriformes (Smelts) > Lepidogalaxiidae (Salamanderfishes)
Etymology: Lepidogalaxias: Greek,lepis, lepidos = scale + Greek, galaxias, ou = a kind of fish (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; demersal; pH range: 3.8 - 4.5; dH range: 5 - ?; non-migratory.   Temperate; 17°C - 26°C (Ref. 36498); 34°S - 35°S

Length at first maturity / Size / Weight / Age

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

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

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

Biology     Glossary (e.g. epibenthic)

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 Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

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

Main reference Upload your references | References | Coordinator : Berra, Tim M. | Collaborators

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)

IUCN Red List Status (Ref. 96402)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: of no interest
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 1.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), based on all LWR estimates for this body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.1   ±0.0 se; Based on diet studies.
Resilience (Ref. 69278):  Low, minimum population doubling time 4.5 - 14 years (Fec = 37).
Vulnerability (Ref. 59153):  Low to moderate vulnerability (27 of 100) .
Price category (Ref. 80766):   Unknown.