Gobius incognitus
Kovacic & Sanda, 2016

Common names: English: Incognito goby
German: Anemonen-Grundel

Common synonyms: none.

Length: 8 - 10 cm.

Colouration
Greenish grey to pale grey with dark spots (forming partly broken longitudinal lines). Belly pale gray. Night colouration: large dark spots.

Description
Anterior nostrils short, eyes relatively small (see drawings). Similar to G. bucchichi and G. fallax. Praedorsal area and nape scaled.
51-59 scales in lateral series.
Fins: D1 VI; D2 I+14 (13-14); A I+13 (12-13); P 19 (18-20).

Please note
Informations of this species are mixed with those on G. bucchichi. Very probably most informations published on G. bucchichi belong to G. incognitus. Therefore informations given here concerning food and reproduction were publiseh on G. bucchichi. See there for literature.

Food
Carnivorous; crustaceans, polychaets, molluscs, algae. See diagram --> Here.

Reproduction
Spawning season: April and May, Black Sea: June to August. Reproductive behaviour: goby pattern. A female has 1,200 to 10,000 eggs (length 1.3 mm). Development: 6 days at 21 to 22° C. Larvae: 2.2 mm planktonic phase until 9 mm length.

Habitat
1 - 12 m. All kinds of substrates. Usually together with Anemonia viridis (snackelocks sea-anemone), is protected against stinging.
Avoids areas of strong water movements and steep slopes. Juveniles associated with sea urchins. Common.


Gobius incognitus
Photograph: Robert A. Patzner ©
Cyprus, 5 m depth, July 2002

 


Literature
Photographs
Drawings
Species list
General info
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Distribution
Mediterranean and probably Black Sea. Maybe all over the area. Has to be checked.

 

 

 

Literature on Gobius incognitus

Kovacic M. & R. Sanda, 2016. A new species of Gobius (Perciformes: Gobiidae) from the Mediterranean Sea and the redescription of Gobius bucchichi. J. Fish Biol. 88: 1104-1124.

Probably most (or all) literature on Gobius bucchichi refers to Gobius incognitus.

 

 

Photographs of Gobius incognitus

 

 

Gobius incognitus, Ibiza, Baleares, 10 m depth, September 1995
Photograph: Robert A. Patzner ©
Gobius incognitus with Anemonia viridis
Ibiza, Baleares, 10 m depth, September 1994
Photograph: Robert A. Patzner ©
Two juvenile Gobius incognitus with sea urchin;
Ibiza, Baleares, 5 m depth, August 1998
Photograph: Robert A. Patzner ©
Juvenile Gobius incognitus with sea urchin;
Ibiza, Baleares, 5 m depth, August 1998
Photograph: Robert A. Patzner ©

Detail of the frontal part of the praemaxilla of Gobius incognitus (Published as G. bucchichi. Behind the first row with big teeth, there are some rows of smaller teeth which are lightly bent inside. From Pölzer & Patzner (2000)

Lateral view of the frontal teeth of the dental field of Gobius
incognitus
(Published as G. bucchichi). Not all teeth are bent inside identically.
From Pölzer & Patzner (2000)

 

 

Drawing of Gobius incognitus

a) Gobius incognitus b) Gobius bucchichi.
Note size of the eyes.
Drawings from Kovacic & Sanda (2016)

Drawings from Miller (1986) as Gobius bucchichi.

Gut content. Crustacea are the most important prey-organisms.

From Pölzer & Patzner (2000) as Gobius bucchichi

 

Copyright © 2017 - Robert A. Patzner, Department of Ecology and Evolution, Univ. Salzburg, Austria.
State: 2017-09-05
E-mail: robert.patzner@sbg.ac.at