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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Rhinogobius: Greek, rhinos = nose + Latin, gobius = gudgeon (Ref. 45335); sagittus: Derived from the Latin word sagitto (arrow); the specific name refers to the arrow-shape of the infraorbital deep brown mark on the anterior portion of cheek in male.
Environment: milieu / climate zone / kisaran kedalaman / distribution range
Ekologi
; air tawar dasar (demersal); kisaran kedalaman 0 - ? m (Ref. 79879). Subtropical
Asia: China (Minjiang basin in Fujian Prov.).
Size / Weight / umur
Kematangan: Lm ? range ? - ? cm
Max length : 3.5 cm SL jantan/; (Ref. 79879)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)) : 7; duri punggung lunak (Keseluruhan (total)) : 8; Duri dubur: 1; Sirip dubur lunak: 7. Diagnosed from all other species of the genus Rhinogobius by the unique combination of the following characters: second dorsal fin with one spine and 8 rays; anal fin with one spine and 7 rays; pectoral fin with 16-17 rays; scale on longitudinal series 29-31; predorsal scales 3-4; vertebrae 10+16 (total 26); gill opening restricted, reaching ventrally near vertical midline of opercle; body side with 5-6 major patches of blackish-brown clusters of irregular small spots in male; caudal fin base with either an arrow-shaped black mark or a rounded black spot in male; dorsal part of snout with a pair of deep red stripes; cheek with an arrow-shaped infraorbital red to brown curve following with 4-5 parallel, oblique brown stripes in male; branchiostegal membrane grayish with 8-10 rounded red spots in male; and pectoral fin with semicircular creamy yellow background, and a median orange spot and vertical orange bar on lower half (Ref. 79879).
Body shape (shape guide): elongated.
Inhabits shallow riffles with depth 20-40 cm, substratum of small pebbles and slow to moderate water flow (Ref. 79879).
Life cycle and mating behavior
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
Chen, I.-S. and P.J. Miller, 2008. Two new freshwater gobies of genus Rhinogobius (Teleostei: Gobiidae) in Southern China, around the northern region of the South China sea. The Raffles Bull. Zool. 19:225-232. (Ref. 79879)
Status IUCN Red List (Ref. 130435: Version 2025-1)
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: tidak ada kepentingan
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates based on models
Phylogenetic diversity index (Acuan
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00444 - 0.02153), b=3.04 (2.85 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Acuan
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Daya lenting (Acuan
120179): Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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