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- Australian Faunal Directory
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Classification / Names
| Catalog of Fishes (
Actinopterygii (ray-finned fishes) >
(Gobies) > Gobiinae
Greek, trimma, -atos = something crushed (Ref.
Name derived from the English word 'nasal', a bar descending gtom the front of many medieval helmets to protect the nose, in allusion to the snout stripe; noun in apposition.
More on author:
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 0 - 41 m (Ref.
), usually 0 - 20 m (Ref.
Western Pacific: Solomon Islands, Papua New Guinea, Indonesia, Vanuatu, Fiji, New Caledonia, Australia, the Philippines, and Palau.
Size / Weight / Age
range ? - ? cm
Max length : 2.3 cm SL male/unsexed; (Ref.
); 2.0 cm SL (female)
: 7 - 9. Diagnosis: Predorsal scales and a bony interorbital about pupil diameter in width. Second dorsal spine elongated. Fifth pelvic fin ray branched dichotomously once and 50-60% of the fourth. Scales on cheek absent; one or two scales on the upper opercle; usually 4-5 rows of scales anterior to the pelvic fin base. A large spot over the hypural region of the caudal peduncle; a dark area along the side of the body caused by peritoneal pigmentation. In all specimens, but that from Palau and New Caledonia, there is a thin, dark stripe from the upper lip to the mid region of the interorbital when preserved (white in life), a broad rounded ridge on the snout and anterior interorbital region, and a nasal sac with a tubular anterior opening and a pore-like posterior opening with a raised rim (Ref.
); characterized further by having longitudinal scale series 23-24; predorsal scales 5-7; depth of body 4.3-4.6 in SL (Ref.
Cryptobenthic, epibenthic. Collected on drop-offs, either sloping or vertical with caves. Apparently tends to congregate in loose schools close to the shelter of caves and sea fans, to which they retreat when approached, and seem to be most abundant at about 20 meter depth range. Often form mixed schools with
Life cycle and mating behavior
, 2005. Two new species of the
species group from the Western Pacific (Percomorpha: Gobiidae). Aqua J. Ichthyol. Aquat. Biol. 10(1):29-38. (Ref.
IUCN Red List Status (Ref.
Least Concern (LC)
; Date assessed:
11 March 2015
Threat to humans
Stamps, Coins Misc.
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Websites from users
Catalog of Fishes
) | GloBI |
| IGFA World Record |
Otolith Atlas of Taiwan Fishes
| Reef Life Survey |
Tree of Life
) | World Records Freshwater Fishing |
Estimates of some properties based on models
Preferred temperature (Ref.
): 26.5 - 29.1, mean 28 (based on 330 cells).
Phylogenetic diversity index (Ref.
= 0.5000 [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.
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
): Low vulnerability (10 of 100) .
Capuli, Estelita Emily
Luna, Susan M.
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