Auchenionchus variolosus

Auchenionchus variolosus
Conservation status
	; Least Concern (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Blenniiformes
Family:	Labrisomidae
Genus:	Auchenionchus
Species:	A. variolosus
Binomial name
	Auchenionchus variolosus; (Valenciennes, 1836)
Synonyms
	Clinus variolosus Valenciennes, 1836;

Auchenionchus variolosus is a species of labrisomid blenny endemic to the Pacific waters off the coast of Chile. While juveniles primarily consume amphipods, their diet shifts to decapods as the mature. This species can reach 18 cm (7.1 in) in total length.[2]

Biology

Study shows that the larvae of A. variolosus has a diet that is composed of mainly 15-19 prey items. These includes early stages of copepods; the nauplii, metanauplii and copepodites, dinoflagellate cysts, cypris larvae, calyptopis, ostracods, the eggs of invertebrates and fishes. In terms of frequency, copepod nauplii are the most important prey item during the larval period. However, copepod nauplii are smaller in size and have low energy content therefore, with the passage of time and growth in the larvae of A.variolosus, copepodites gain importance in the diet instead of copepod nauplii. Also, the niche breadth of A. variolosus is independent of its larval size.[3]

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References

Craig, M.T. & Williams, J.T. (2014). "Auchenionchus variolosus". IUCN Red List of Threatened Species. 2014: e.T185173A1776376. doi:10.2305/IUCN.UK.2014-3.RLTS.T185173A1776376.en.
Froese, Rainer and Pauly, Daniel, eds. (2013). "Auchenionchus variolosus" in FishBase. October 2013 version.
J.Vera-Duarte; M.F.Landaeta (2016). "Diet of Labrisomid blenny Auchenionchus variolosus during its larval development off central Chile". Journal Applied Ichthyology. 32: 46–54. doi:10.1111/jai.12935.

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[1] Craig, M.T. & Williams, J.T. (2014). "Auchenionchus variolosus". IUCN Red List of Threatened Species. 2014: e.T185173A1776376. doi:10.2305/IUCN.UK.2014-3.RLTS.T185173A1776376.en.

[2] Froese, Rainer and Pauly, Daniel, eds. (2013). "Auchenionchus variolosus" in FishBase. October 2013 version.

[Vera-Duarte-3] J.Vera-Duarte; M.F.Landaeta (2016). "Diet of Labrisomid blenny Auchenionchus variolosus during its larval development off central Chile". Journal Applied Ichthyology. 32: 46–54. doi:10.1111/jai.12935.