Classification / Names
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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Eugnathogobius: Greek, eu = good + Greek, gnathos = jaw + Latin, gobius = gudgeon (Ref. 45335).
More on author: Herre.
Environment: milieu / climate zone / गहराई सीमा / distribution range
पारिस्थितिकी
; स्वच्छ जल, अलवण जल; खारा ड़िमरसल. Tropical
Western Pacific: Northeastern Borneo and the Philippines.
आकार / वज़न / Age
परिपक्व अवधि: Lm ? range ? - ? cm
Max length : 3.6 cm TL पुल्लिंग / अलिंग; (Ref. 7050)
पृष्ठीय रीढ़ (सम्पूर्ण) : 6 - 7; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 6 - 8; गुदा कांटा: 1; ऐनल सौफट रेज़: 5 - 8. Distinguished by the following characteristics: relatively large size; second dorsal rays I,6-8; pectoral rays 15-18; segmented caudal rays 15-17 (modally 16); longitudinal scales 25-34; TRB 8-12; predorsal scales 10-19; shoulder girdle with smooth low ridge or flange, rarely with fleshy lobes; mouth terminal, large, greatly enlarged in mature males (maxillary sometimes extending past rear edge of preoperculum); each scale on side of body with short dusky bar; two distinct brown stripes extending back from rear of eye and two from eye to snout tip; dark fins, dorsal fins distinctly spotted with brown (Ref. 80545).
Body shape (shape guide): elongated.
A euryhaline species (Ref. 12041). Occurs in estuaries, primarily in slow flowing canals and smaller bodies of water. Feeds on small fishes and invertebrates, including mosquito larvae and entomostracans (Ref. 12693). The following aquarium observations describe its captive behavior and breeding: strictly benthic and quite secretive; males constructed nests under flat stones, shoveling sand with their large mouths while pieces of gravel (up to 12 mm diameter) are carried one by one; males display to each other with mouths wide open and may push against each other jaw to jaw, if observed may often switch to locking jaws (as if biting); about 1,000 eggs per batch (1.5 x 0.5 mm) and hatched after 44-95 hours at 25°C; larvae 2.4 mm long and floated up near the water surface until yolk absorbed after 124 hours, these then moved down into the water column (Ref. 80545). Not seen in the markets (Ref. 12693); rarely collected (Ref. 80545).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Larson, H.K., 2001. A revision of the gobiid fish genus Mugilogobius (Teleostei: Gobioidei), and its systematic placement. Rec. West. Aust. Mus. (Suppl. No. 62):1-233. (Ref. 43716)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Phylogenetic diversity index (संदर्भ
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00338 - 0.01553), b=3.05 (2.87 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (संदर्भ
69278): 3.7 ±0.57 se; based on food items.
लौटाव (संदर्भ
120179): ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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