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Signigobius biocellatus Hoese, &. Allen, 1977
CRAB-EYE GOBY
Crab-eyed Goby; Four-eyed Goby; Signal Goby; Twinspot Goby

Life   Vertebrata   Fish   Gobiidae   Signigobius


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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Signigobius&speciesname=biocellatus ---> https://www.fishbase.se/Summary/speciesSummary.php?genusname=Signigobius&speciesname=biocellatus
https://www.fishbase.se/Summary/speciesSummary.php?genusname=Signigobius&speciesname=biocellatus ---> https://www.fishbase.se/summary/Signigobius-biocellatus.html

Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Signigobius biocellatus Hoese & Allen , 1977

Twinspot goby Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Signigobius biocellatus   AquaMaps   Data sources: GBIF OBIS
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Pictures | Videos |     Stamps, Coins Misc. | Google image Image of Signigobius biocellatus (Twinspot goby) Signigobius biocellatus
Picture by Petrinos, C.

Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Gobiidae (Gobies) > Gobiinae
Etymology: Signigobius: Name from Latin, signus for mark and gobius for a genus of fish, referring to its distinctive coloration. ;   biocellatus: Name fro, Latin bi meaning two and ocellatus for small eye spots, referring to the 2 prominent ocellated spots on the dorsal fins.   More on authors: Hoese & Allen .

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; reef-associated; depth range 1 - 30 m (Ref. 1602 ), usually 2 - 30 m (Ref. 27115 ).   Tropical; 22°C - 27°C (Ref. 27115 ); 19°N - 24°S

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Pacific: Philippines to the Solomon Islands and Vanuatu, south to the southern Great Barrier Reef; Palau in Micronesia.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 10.0 cm SL male/unsexed; (Ref. 48637 )

Short description Morphology | Morphometrics

Dorsal spines (total): 7; Dorsal soft rays (total): 10-11; Anal spines : 1; Anal soft rays : 10 - 11. Conspicuous ocellated dorsal fins (Ref. 90102 ); characterized by pale bluish grey to yellowish tan; narrow brown bar below eye; upper half of body with irregular brown spot and saddles; three irregular brown bars on lower half of body; narrow brown bar across base of caudal fin; pelvic and anal fins black with blue spots; rounded caudal fin; longitudinal scale series 48-55; mainly ctenoid body scales posteriorly, becoming cycloid anteriorly just behind pectoral base and below first dorsal fin; cycloid on ventral surface of abdomen; head and midline of nape without scales; depth of body 4.3-5.6 in SL (Ref. 90102 ).

Biology     Glossary (e.g. epibenthic)

Adults occur in sandy to silty bottoms of lagoons and coastal bays near coral, rubble or leaf litter shelter. Solitary or in pairs that share sandy burrows (Ref. 90102 ). Feed on small interstitial invertebrates by sifting mouthfuls of sand. Monogamous (Ref. 52884 , 48637 ).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Monogamous mating is observed as both obligate and social (Ref. 52884 ).

Main reference Upload your references | References | Coordinator | Collaborators

Allen, G.R. and R. Swainston , 1992. Reef fishes of New Guinea: a field guide for divers, anglers and naturalists. Publication No. 8. Christensen Research Institute, Madang, Papua New Guinea. 132 p. (Ref. 6023 )

IUCN Red List Status (Ref. 120744 )

    Not Evaluated  

CITES (Ref. 115941 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: of no interest; aquarium: commercial FAO(Publication : search ) | FishSource |

More information

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Summary page | Point data | Common names | Photos

Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes ( gen. , sp. ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank( genome , nucleotide ) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | Public aquariums | PubMed | Reef Life Survey | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969 ): 25.8 - 28.9, mean 27.7 (based on 350 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00871 (0.00414 - 0.01834), b=3.08 (2.90 - 3.26), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  3.5   ±0.37 se; Based on food items. Resilience (Ref. 69278 ):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.). Vulnerability (Ref. 59153 ):  Low vulnerability (23 of 100) .

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