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Istigobius nigroocellatus (Günther, 1873)

Black-spotted goby
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Istigobius nigroocellatus   AquaMaps   Data sources: GBIF OBIS
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Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobiinae
Etymology: Istigobius: Greek, istios = sail + Latin, gobius = gudgeon (Ref. 45335).
More on author: Günther.

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

Marine; demersal; depth range 2 - 10 m (Ref. 90102). Tropical; 20°N - 35°S

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

Eastern Indian Ocean: Western Australia and Northern Territory, Australia. Western Pacific: Philippines, Papua New Guinea, Queensland in Australia, New Caledonia, American Samoa, the Solomon Islands. Also reported from Indonesia (Ref. 8631) and Iriomotejima, Japan (Ref. 559).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 6.5 cm SL male/unsexed; (Ref. 48637); 5.5 cm TL (female)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 7; Dorsal soft rays (total): 10 - 12; Anal spines: 1; Anal soft rays: 9 - 11; Vertebrae: 26. Upper pectoral fin rays entire. 3 spots forming a `V' on caudal base; black spot basally between dorsal spines V-VI; pectoral base, cheek and operculum with many dusky melanophores; pelvic fins black. Longitudinal black bar off distal part of upper jaw. Trunk scales ctenoid, predorsal cycloid. In male, anal fin dusky and when appressed, reaching or almost reaching caudal fin, appressed dorsal fin overlapping caudal fin. In female, appressed anal and dorsal fins extending within 1-2 scales from caudal (Ref. 420); longitudinal scale series 30-32; depth of body 4.8-5.8 in SL (Ref. 90102).

Biology     Glossary (e.g. epibenthic)

Found in shallow coastal sand flats, usually silty bottom in a few meters depth (Ref. 48637).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Genital papilla of male pigmented, terminating to side of anal spine. Female genital papilla slightly pigmented, truncate, and terminating well before anal fin origin.

Main reference Upload your references | References | Coordinator | Collaborators

Murdy, E.O. and D.F. Hoese, 1985. Revision of the gobiid fish genus Istigobius. Indo-Pac. Fish. (4):41 p. (Ref. 420)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 27 August 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: commercial; aquarium: commercial
FAO - Publication: search | FishSource |

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 25.2 - 29.3, mean 28.6 °C (based on 2238 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5010   [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).
Trophic level (Ref. 69278):  3.3   ±0.3 se; based on size and trophs of closest relatives
Resilience (Ref. 120179):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).
Price category (Ref. 80766):   Very high.
Nutrients (Ref. 124155):  Calcium = 481 [228, 1,233] mg/100g; Iron = 1.75 [0.95, 3.53] mg/100g; Protein = 17.6 [15.8, 19.2] %; Omega3 = 0.23 [0.09, 0.48] g/100g; Selenium = 27.3 [13.0, 60.4] μg/100g; VitaminA = 42.6 [11.5, 141.1] μg/100g; Zinc = 2.39 [1.57, 3.68] mg/100g (wet weight);