Trimma annosum, Grey-bearded pygmygoby

Trimma annosum Winterbottom, 2003

Grey-bearded pygmygoby
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Trimma annosum   AquaMaps   Data sources: GBIF OBIS
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Image of Trimma annosum (Grey-bearded pygmygoby)
Trimma annosum
Picture by Lougher, T.

Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

> Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobiinae
Etymology: Trimma: Greek, trimma, -atos = something crushed (Ref. 45335);  annosum: Named in allusion to the plain grey cheek of the species, which is perhaps reminiscent of that class of elderly hirsute human males sometimes referred to as 'greybeards' (Ref. 49832).  More on author: Winterbottom.

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

; Θαλασσινό(ά) Υφαλόφιλο(α); εύρος βάθους 1 - 60 m (Ref. 100726).   Tropical

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Indo-West Pacific: Maldives and India to Papua New Guinea.

Μέγεθος / Βάρος / Age

Maturity: Lm ?  range ? - ? cm
Max length : 2.8 cm SL αρσενικό/απροσδιόριστο; (Ref. 100726)

Short description Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά): 7; Μαλακές ραχιαίες ακτίνες (συνολικά): 8; Εδρικές άκανθες 1; Μαλακές εδρικές ακτίνες: 8. This species is distinguished by the following characters: a shallow concave bony interorbital about half pupil-diameter in width; predorsal is completely covered with ctenoid scales, no naked patches, a large scale above and between the end of the eyes above the posterior half of the pupil; cheek no scales; operculum often with a single large ctenoid scale dorsally, often followed by a smaller cycloid scale posteriorly; pectoral-fin base with 3 large vertically elongate cycloid scales; prepelvic area has 4-5 rows of cycloid scales, 1 enlarged scale between the bases of the pelvic spines; pectoral rays normally unbranched, rarely with up to 4 rays with a single branch; fifth pelvic-fin ray branched once dichotomously, rarely branched twice resulting in 3 terminal tips, 40-65% the length of the fourth; no trough or groove posterodorsal to the eye; second and third dorsal spines subequal in length, not elongated; colour of head bluish grey, cheek uniform in colour, in life a yellowish orange spot about the size of the pupil on the middle of the anterior part of the operculum, a similar sized spot dorsally and posteriorly on the operculum, a smaller yellowish orange spot behind eye; central on the pectoral base is an oval yellowish orange to reddish orange spot; body with moderate sized yellowish orange spots in 4 rows anteriorly converging to 3 on the caudal peduncle; body is fully scaled; without nape crest; dorsal and anal rays usually I,8 (Ref. 100726).

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

Inhabits reef caves and crevices in 1-14 m (Ref. 90102).

Life cycle and mating behavior Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες

Main reference Upload your references | Αναφορές | Συντονιστής | Συνεργάτες

Winterbottom, R., 2003. A new species of the gobiid fish Trimma from the western Pacific and northern Indian Ocean coral reefs, with a description of its osteology. Zootaxa 218:1-24. (Ref. 49832)

IUCN Red List Status (Ref. 123251)

  Least Concern (LC) ; Date assessed: 10 March 2015

CITES (Ref. 123416)

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): 25.5 - 29, mean 28 °C (based on 862 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00454 - 0.02011), b=3.05 (2.88 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Ελαστικότητα (Ref. 120179):  Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .
Nutrients (Ref. 124155):  Calcium = 301 [135, 748] mg/100g ; Iron = 1.21 [0.63, 2.40] mg/100g ; Protein = 18.4 [16.4, 20.2] % ; Omega3 = 0.194 [0.086, 0.395] g/100g ; Selenium = 19.6 [8.5, 45.3] μg/100g ; VitaminA = 162 [41, 567] μg/100g ; Zinc = 2.57 [1.47, 4.30] mg/100g (wet weight);