Classification / Names
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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Acentrogobius: Greek, a = without + Greek, kentron = sting + Latin gobius = gudgeon (Ref. 45335); vanderloosi: Named for Robert Vanderloos, owner and operator of the live-aboard dive vessel 'Chertan', and based at Alotau, Papua New Guinea..
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
समुद्री ड़िमरसल; गहराई सीमा 15 - 18 m (Ref. 100513). Tropical
Western Pacific: Papua New Guinea, but most probably ranges widely within the Indo-Australian Archipelago.
आकार / वज़न / Age
Maturity: Lm ? range ? - ? cm
Max length : 4.8 cm SL पुल्लिंग / अलिंग; (Ref. 100513); 4.5 cm SL (female)
Short description
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
This species is distinguished by the following characters: D VI + I,10, dorsal spines thin and flexible, first two with long filamentous tips, that of second spine longest 2.3-3.2 in SL, reaching to base of about sixth soft ray of second dorsal fin when laid back; A I,10; pectoral-fin rays 20; lanceolate caudal fin which is slightly longer than head length in adult; scales 30 in longitudinal series; 9-10 transverse-scales; 12-13 predorsal-scales; finely ctenoid scales cover the body, becoming cycloid on the breast, pectoral-fin base, nape, and head; 3 scale rows on uppermost portion of opercle; cheek fully scaled; colour in life pale grey with numerous widely scattered dark-edged, orange spots on body, 5 horizontally-elongate dark brown blotches on side of body at level of pectoral-fin base, (including one at middle of caudal-fin base), a pair of orange stripes on cheek (Ref. 100513).
The collection area consists of moderately sloped (about 20 degrees) mud substratum (the slope begins in approximately 1.5 m depth and flattens out at about 18 m). The featureless bottom has numerous burrows occupied by a variety of fishes and invertebrates, including Acentrogobius vanderloosi. About eight individuals were observed on the lower section of the slope (15-18 m ) and only widely scattered, solitary individuals were seen, each of which was invariably associated with a muddy burrow, into which it retreated when approached (Ref. 100513).
Life cycle and mating behavior
Maturities | पुनरुत्पत्ति | Spawnings | Egg(s) | Fecundities | लार्वा
Allen, G.R., 2015. Descriptions of two new gobies (Gobiidae: Acentrogobius) from Milne Bay Province, Papua New Guinea. J. Ocean Sci. Found. 14:1-13. (Ref. 100513)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00794 (0.00342 - 0.01847), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
लौटाव (Ref.
120179): ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
