Palau country information

Common names: Giant pygmy goby
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality, Augulpelu reef (also known as the Short Drop-off), cave in a steep reef slope, ROM 80353 (holotype of Trimma gigantum, 2.77 cm SL, female). Known only from between 57-73 m on the outer drop-off of Augulpelu Reef in Palau (aka Short-Drop-Off), which lies to the south-east of the island’s capital city of Koror (Ref. 59339).
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: Winterbottom, R. and M. Zur, 2007
National Database:

Common names from other countries

Giant pygmy goby, ... more

Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

> Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobiinae
Etymology: Trimma: Greek, trimma, -atos = something crushed (Ref. 45335); gigantum: Named for the Greek word 'gigas, gigantas' meaning giant, referring to its extremely large size (informally referred to as Trimma RW sp 90, undescribed species, in litt.)..
More on authors: Winterbottom & Zur.

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

marino asociado a arrecife; rango de profundidad 57 - 73 m (Ref. 59339). Tropical

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Western Pacific: Palau to Indonesia.

Tamaño / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 3.0 cm SL macho / no sexado; (Ref. 59339); 2.8 cm SL (female)

Short description Morfología | Morfometría

Espinas dorsales (total): 7; Radios blandos dorsales (total): 8-9; Espinas anales 1; Radios blandos anales: 7 - 9. This species is a member of the T. tevegae species complex (sensu Winterbottom 2005) with a broad interorbital space and a greatly expanded first haemal arch. It is further characterized by 15-18 predorsal scales; the second and third dorsal spines elongate; a fleshy, longitudinal ridge in the interorbital midline; absence of postorbital trenches; scales covering the cheek and opercle; the fifth pelvic fin ray usually branched dichotomously once; a pattern of six dark saddles across the dorsum on a pale yellow background; and, large adult size (to about 30 mm SL) (Ref. 59339).

Inhabits outer reef slopes in caves and crevices in 57-73 m (Ref. 90102).

Life cycle and mating behavior Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

Main reference Upload your references | Referencias | Coordinador | Colaboradores

Winterbottom, R. and M. Zur, 2007. Three new species of genus Trimma from Palau (Percomorpha: Gobioidei). aqua, Int. J. Ichthyol. 13(1):13-24. (Ref. 59339)

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 07 September 2021

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 27.2 - 28.2, mean 27.8 (based on 7 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [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).

Resiliencia (Ref. 120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Trimma gigantum Winterbottom & Zur, 2007