Vanishing Silhouette Goby, Silhouettea evanida Larson & Miller 1986


Illustration of the holotype of the Vanishing Silhouette Goby, Silhouettea evanida, from Mindil Beach, Darwin, Northern Territory. Source: Helen K.Larson, Fig. 4, in Larson & Miller (1986) Japanese Journal of Ichthyology 33(2). License: All rights reserved

Summary:
A cryptic sand coloured goby with five small midlateral blotches, a transverse band of fine melanophores, narrower than the pupil, across the nape, and pale branchiostegal membranes in both sexes.

Cite this page as:
Bray, D.J. 2020, Silhouettea evanida in Fishes of Australia, accessed 22 Sep 2020, http://136.154.202.208/home/species/4162

Vanishing Silhouette Goby, Silhouettea evanida Larson & Miller 1986

More Info


Distribution

Rowley Shoals, Western Australia, Darwin, Northern Territory, to Moreton Bay, Queensland. Inhabits pools on intertidal sand flats along beaches, sandy creek mouths, and mangrove creeks. When threatened, individuals rapidly conceal themselves in the sediment.

Features

Dorsal fin VI + I,9-11; Anal fin I,11-13, Caudal fin, segmented rays 17, branched rays 13; Pectoral fin 14-16; Pelvic fin I, 5; Gill rakers 1-2 +1 + 7-9; Lateral scale rows 24-26; Transverse scale rows 7; Vertebrae 26. 
Gill rakers low rounded stubs, only first arch with rudimentary rakers (second arch with one or two). Breast with large cycloid scales, 3 in ventral midline. 

Etymology

The specific name evanida is from the Latin evanidus: (= disappearing or vanishing), in reference to the species' ability for rapid concealment.

Species Citation

Silhouettea evanida Larson & Miller 1986, Japanese Journal of Ichthyology 33(2): 111, figs 1-5. Type locality: Mindil Beach, Darwin, Northern Territory.

Author

Bray, D.J. 2020

Resources

Atlas of Living Australia

Vanishing Silhouette Goby, Silhouettea evanida Larson & Miller 1986

References


Johnson, J.W. 2010. Fishes of the Moreton Bay Marine Park and adjacent continental shelf waters, Queensland, Australia. pp. 299-353 in Davie, P.J.F. & Phillips, J.A. Proceedings of the Thirteenth International Marine Biological Workshop, The Marine Fauna and Flora of Moreton Bay. Memoirs of the Queensland Museum 54(3) 

Larson, H.K. & Murdy, E.O. 2001. Eleotridae, Gobiidae. pp. 3574-3604 in Carpenter, K.E. & Niem, T.H. (eds). The Living Marine Resources of the Western Central Pacific. FAO Species Identification Guide for Fisheries Purposes. Rome : FAO Vol. 6 pp. 3381-4218.

Larson, H.K. & Murdy, E. 2010. Silhouettea evanida. The IUCN Red List of Threatened Species 2010: e.T154769A4629584. https://dx.doi.org/10.2305/IUCN.UK.2010-4.RLTS.T154769A4629584.en. Downloaded on 11 July 2020.

Larson, H.K., Williams, R.S. & Hammer, M.P. 2013. An annotated checklist of the fishes of the Northern Territory, Australia. Zootaxa 3696(1): 1-293 

Larson, H.K. & Miller, P.J. 1986. Two new species of Silhouettea (Gobiidae) from northern Australia. Japanese Journal of Ichthyology 33(2): 110-118 figs 1-6 https://doi.org/10.11369/jji1950.33.110

Larson, H.K. & Williams, R.S. 1997. Darwin Harbour fishes: a survey and annotated checklist. pp. 339-380 in Hanley, H.R., Caswell, G., Megirian, D. & Larson, H.K. (eds). The Marine Flora and Fauna of Darwin Harbour, Northern Territory, Australia. Proceedings of the Sixth International Marine Biology Workshop. Darwin : Museum and Art Gallery of the Northern Territory 466 pp. 

Miller, P.J. 1988. Studies on Silhouettea Smith 1959 and an account of Ebomegobius Herre 1946 (Pisces: Gobiidae). Senckenbergiana Biologica 68(4/6): 241-273 

Moore, G.I., Morrison, S.M., Hutchins, B.J., Allen, G.R. and Sampey, A. 2014. Kimberley marine biota. Historical data: fishes. Records of the Western Australian Museum, Supplement 84: 161-206

Quick Facts


CAAB Code:37428250

Depth:0-1 m

Habitat:Mangroves & sand/mud flats

Max Size:3 cm TL

Native:Endemic

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CAAB distribution map