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Signigobius biocellatus Hoese & Allen, 1977

Twinspot goby
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Signigobius biocellatus   AquaMaps   Data sources: GBIF OBIS
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Image of Signigobius biocellatus (Twinspot goby)
Signigobius biocellatus
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Palau country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Found in Helen Reef (Ref. 99878).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ps.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Myers, R.F., 1991
National Database:

Common names from other countries

Classificação / Names Nomes comuns | Sinónimos | Catalog of Fishes(Género, Espécies) | ITIS | CoL | WoRMS | Cloffa

> Gobiiformes (Gobies) > 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 from 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 Ecologia

marinhas associadas(os) a recifes; intervalo de profundidade 1 - 30 m (Ref. 1602), usually 2 - 30 m (Ref. 27115).   Tropical; 22°C - 27°C (Ref. 27115); 19°N - 24°S

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

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

Tamanho / Peso / Idade

Maturity: Lm ?  range ? - ? cm
Max length : 10.0 cm SL macho/indeterminado; (Ref. 48637)

Descrição breve Chaves de identificação | Morfologia | Morfometria

Espinhos dorsais (total) : 7; Raios dorsais moles (total) : 10 - 11; Espinhos anais: 1; Raios anais moles: 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).

Biologia     Glossário (ex. 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 Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

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

Referência principal Upload your references | Referências | Coordenador | Colaboradores

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)

Categoria na Lista Vermelha da IUCN (Ref. 130435)

  Preocupação menor (LC) ; Date assessed: 27 August 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

  Harmless




Utilização humana

Pescarias: sem interesse; Aquário: Espécies comerciais
FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 25.8 - 28.9, mean 27.7 (based on 350 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00477 - 0.02194), b=3.02 (2.84 - 3.20), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Nível Trófico (Ref. 69278):  3.5   ±0.37 se; based on food items.
Resiliência (Ref. 120179):  Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).