Istigobius spence, Pearl goby

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Istigobius spence (Smith, 1947)

Pearl goby
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Istigobius spence   AquaMaps   Data sources: GBIF OBIS
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Image of Istigobius spence (Pearl goby)
Istigobius spence
Photo de Randall, J.E.

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobiinae
Etymology: Istigobius: Greek, istios = sail + Latin, gobius = gudgeon (Ref. 45335).
Eponymy: Charles Francis Spence (1907–1982) was a businessman in Mozambique, the type locality, whom Smith thanked for providing personal assistance. Spence later published: The Portuguese Colony of Moçambique: an Economic Survey (1951). (Ref. 128868), visit book page.
More on author: Smith.

Environment: milieu / climate zone / profondeur / distribution range Écologie

marin; saumâtre récifal; profondeur 1 - 12 m (Ref. 90102). Tropical; 15°N - 40°S

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Carte par point | Introductions | Faunafri

Indo-Pacific: Mozambique, Kenya, Sri Lanka, Papua New Guinea, Australia, and Micronesia; undoubtedly more widespread.

Taille / Poids / Âge

Maturité: Lm ?  range ? - ? cm
Max length : 7.9 cm SL mâle / non sexé; (Ref. 1602)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 7; Rayons mous dorsaux (Total) : 10 - 11; Épines anales: 1; Rayons mous anaux: 9 - 10; Vertèbres: 26. Pectoral fin rays entire. Predorsal cycloid scale 7-10, ctenoid on trunk. Few spots on nape; a dusky line running from eye dorsal to sensory pore path, ending at or before pectoral fin base; wavy brown lines on the snout. Pelvic and distal part of anal fins darker in males than in females. Appressed anal fin reaching within a distance of 1-2 scales of caudal fin in male, 2-4 scales in female; appressed 2nd dorsal slightly overlapping caudal in male. Some males exhibit 3-4 vertical bars on abdomen and 2-3 horizontal bars in 1st dorsal fin (Ref. 420); longitudinal scale series 30-32; no scales on cheek and opercle; body depth 4.9-6.1 in SL (Ref. 90102).
Body shape (shape guide): fusiform / normal; Cross section: circular.

Biologie     Glossaire (ex. epibenthic)

Occurs in turbid coastal areas near river mouths at less than 1 m to at least 12 m, Ref. 48637.

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Genital papilla of male reaching anal spine. Female genital papilla truncate, ending well before origin of anal fin.

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

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

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-1)

  Préoccupation mineure (LC) ; Date assessed: 13 March 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

FAO - Publication: search | FishSource |

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Sources Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Arbre de Vie | Wikipedia: aller à, chercher | Zoological Record

Estimates based on models

Preferred temperature (Réf. 123201): 25.7 - 29.3, mean 28.6 °C (based on 2615 cells).
Phylogenetic diversity index (Réf. 82804):  PD50 = 0.5005   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00477 - 0.02194), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Niveau trophique (Réf. 69278):  3.3   ±0.4 se; based on size and trophs of closest relatives
Résilience (Réf. 120179):  Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100). 🛈
Nutrients (Ref. 124155):  Calcium = 139 [69, 301] mg/100g; Iron = 0.849 [0.417, 1.558] mg/100g; Protein = 18.7 [16.7, 20.3] %; Omega3 = 0.153 [0.067, 0.292] g/100g; Selenium = 16.6 [8.1, 37.8] μg/100g; VitaminA = 145 [39, 485] μg/100g; Zinc = 2.53 [1.67, 3.75] mg/100g (wet weight);