Crystallogobius linearis
   (Düben, 1845)

Common names: English: Crystal goby
German: Kristallgrundel

Common synonym:
Crystallogobius nilssonii
(von Düben & Koren, 1846)

Length: 4 - 5 cm.

Transparent. Row of pigmented cells along dorsal and anal fin and below lower jaw.

Elongated body. Without scales. Lower jaw of males with large canine teeth, females with small teeth. Dorsal fin reduced in females. Pelvic disc of male well formed, reduced in females.
30 (29-31) vertebrae. 
Fins: D1 II-III; D2 I+18-20; A I+20-21 (males).


Sawning season: July to September. Males and females benthic during reproductive time. Males build nests in tubes of Chaetopterus and Protula worms. Sexually mature after one year, die after breeding. Low fecundity (200 - 700), small eggs (0.2 - 0.55 mm).

1 - 400 m. Free swimming in groups above soft bottoms. During spawning benthic. Less common.

Crystallogobius linearis (male)
Drawing by F. Wendler from Terofal (1986)



Species list
General info


Mediterranean: absent in southern part; Atlantic.




Literature on Crystallogobius linearis

Bilecenoglu M., Taskavak E., Mater S. 6 Kaya M., 2002: Checklist of the marine fishes of Turkey. Zootaxa 113: 1194.

Caputo V., M.L. Mesa, G. Candi & P.N. Cerioni, 2003: The reproductive biology of the crystal goby with a comparison to that of the transparent goby. J. Fish Biol. 62: 375-385.

Collett R., 1878: On Latrunculus and Crystallogobius, two remarkable forms of gobioid fishes. Proc. Zool. Soc. Lond. 1878: 318-339.

Düben W. von., 1845: Norriges Hafs-Fauna. K. svenska VetenskAkad. Handl. 14: 110-116. Fage L., 1918: Shore-fishes. Rep. Dan. oceanogr. Exped. Mediterr. 2, Biology. (A.3): l54 p.

Düben M.W. von & J. Koren, 1846: Ichthyologiska Bidrage. K. Sven. Vetenskapsakad. Handl. 27-120.

Kovacic M., 2005: An annotated checklist of the family Gobiidae in the Adriatic Sea. Annales Ser. hist. nat. 15: 1-24.

Kovacic M., 2020: Checklist of gobies (Teleostei: Gobiidae) of the Mediterranean Sea and a key for species identification. Zootaxa 4877: 075-101.

Kovacic M. & Patzner R.A., 2011: North-Eastern Atlantic and Mediterranean Gobies. In: The Biology of Gobies. (Eds: Patzner R.A. et al.) Science Publishers: 177-206.

La Mesa M., 2001: Age and growth of Crystallogobius linearis (von Dueben, 1845) (Teleostei: Gobiidae) from the Adriatic Sea. Scient. Marina 65: 375-381.

Lombarte A., Miletic M. & Kovacic M. et al., 2014: Identifying Mediterranean Sea gobies using otoliths. 5th Int. symp. fish otolith res. appl., Peguera, Mallorca: Poster.

Louisy P., 2002: Meeresfische, Westeuropa, Mittelmeer. Ulmer, Stuttgart.

Miller P. J., 1986: Gobiidae. In: Fishes of the North-eastern Atlantic and the Mediterranean. Volume III. (Eds.: Whitehead P.J.P. et al.) pp. 1019-1085. UNESCO, Paris.

Padoa E., 1953: Sottordine Gobiiformes. Famiglia Gobiidae in uova, larve e stadi giovanili di Teleostei. Fauna Flora Golfo Napoli, 38: 648-678.

Patzner R.A. & H. Moosleitner, 1999: Die Grundeln des Mittelmeeres. Teil 5. Kleine Grundeln des Weichbodens 2. Das Aquarium. 370: 54-60.

Raffaele F., 1895: Uova di Scomberesox, di Exocoetus e di Crystallogobius. Boll. Soc. Natural. Napoli 8: 127-130.

Relini-Orsi L. & G. Fanciulli, 1977: Note sui 'bianchetti di fondo' del Mar Ligure stadi giovanili de Crystallogobius linearis (von Duben) (Osteichthyes, Gobiidae). Att. Congr. Soc. Ital Biol. Mar. 9373-374.

Relini G., G. Palandri, M. Relini, F. Garibaldi, G. Torchia, C. Cima, E. Massaro, A. Piccone & M. Bellingeri, 1998: Pesca sperimentale del rossetto in Liguria. Biol. Mar. Med. 5: 487-502.

Terofal F., 1986: Meeresfische. Steinbachs Naturführer. Mosaik Verlag, München.

Villegas M.L., 1980: Postlarvas de gobidos del mar Cantabrico. Boll. Inst. Espan. Oceanogr. 6: 17-45.






Photograph of Crystallogobius linearis


Sorry, at the time no photographs available



Drawing of Crystallogobius linearis



Drawing from Miller, 1986





Copyright © 2016 - Robert A. Patzner, Department of Ecology and Evolution, Univ. Salzburg, Austria.
State: 2016-04-17