Sicyases brevirostris

Sicyases brevirostris (Guichenot, 1848)

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drawing shows typical species in Gobiesocidae.

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> Gobiesociformes (Clingfishes) > Gobiesocidae (Clingfishes and singleslits) > Gobiesocinae
Etymology: Sicyases: Greek, sika, sikya = cucumber (Ref. 45335).
More on author: Guichenot.

Taxonomic Remarks
In Dyer & Westneat (2010: Ref. 89357): Vera & Pequeño (2001) compared the insular populations of Sicyases with those of continental Chile and supported the differentiation between insular and continental species. Vera & Pequeño (2001) followed De Buen (1960) in considering the insular species as S. hildebrandi rather than the earlier S. brevirostris. Sicyases brevirostris is considered by us as senior synonym of S. hildebrandi following Briggs’ (1955) conclusion based on examination of type material, rather than following De Buen’s doubt that Guichenot (1848) ever had specimens from the islands and his ascription of S. brevirostris as junior synonym of S. sanguineus. Briggs (1955) distinguished Sicyases brevirostris from S. sanguineus by a smaller head (>30% vs. <30% SL) and more anal fin rays (9 vs. 7-8). Vera & Pequeño’s (2001) study included an additional feature to distinguish both species: S. brevirostris with smooth skin and S. sanguineus with rugose skin except in the smallest specimens. Further research is needed, possibly at the molecular level, in order to determine whether these island populations are indeed distinct from their continental counterparts and if there has been any dispersal.

Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied Ecologie

marien demersaal. Subtropical; 33°S - 35°S, 83°W - 76°W

Verspreiding Gebieden | FAO regio's | Ecosystemen | Voorkomen | Verspreidingskaart | Introducties | Faunafri

Southeast Pacific: Endemic to Juan Fernández Is.

Grootte / Gewicht / Leeftijd

Maturiteit: Lm ?  range ? - ? cm

Biologie     Verklarende woordenlijst (bv. epibenthic)

Facultative air-breathing in the genus (Ref. 126274); Species distinct from continental ones, and not syntopic with Gobiesox marmoratus Jenyns, 1842 (Ref. 89357).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Hoofdreferentie Upload uw referenties | Referenties | Coördinator : Williams, Jeffrey T. | Medewerkers

Dyer, B.S. and M.W. Westneat, 2010. Taxonomy and biogeography of the coastal fishes of Juan Fernández Archipelago and Desventuradas Islands, Chile. Rev. Biol. Mar. Oceanogr. 45(S1):589-617. (Ref. 89357)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))

  Onvoldoende gegevens (DD) ; Date assessed: 16 February 2024

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

FAO - Publication: search | FishSource |

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Schattingen op basis van modellen

Fylogenetische diversiteitsindex
(Ref. 82804)
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00617 (0.00253 - 0.01500), b=3.15 (2.93 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisch niveau
(Ref. 69278)
3.3   ±0.4 se; based on size and trophs of closest relatives
Weerstandsvermogen
(Ref. 120179)
Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Kwetsbaarheid van de visserij
(Ref. 59153)
Moderate vulnerability (39 of 100). 🛈