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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Rhinogobius: Greek, rhinos = nose + Latin, gobius = gudgeon (Ref. 45335); macromaculatus: Named for its distinct feature, a 'large spot', bluish black pigmentation on the dorsal fin.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
; acqua dolce benthopelagico. Subtropical
Asia: Taiwan.
Dimensione / Peso / Età
Maturità: Lm ? range ? - ? cm
Max length : 3.5 cm SL maschio/sesso non determinato; (Ref. 133058)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 7; Raggi dorsali molli (totale) : 8; Spine anali: 1; Raggi anali molli: 7; Vertebre: 27. This species is distinguished from its congeners by the following set of characters: D2 modally I,8; A I,7; pectoral fin rays modally 15; longitudinal scale series 27-28 (modally 28); perdorsal scales usually 14-15; scales between the first dorsal fin origin to upper pectoral fin base modally 8; vertebrae 27; males with rear edge of mouth merely extending to vertical of anterior margin of pupil. Colouration: male with lateral body with 7-8 longitudinal rows of bright orange to orange red spots about 1/2 to 1/3 of pupil diameter; female with orange brown spots less than 1/3 of pupil diameter; male with cheek and opercle with moderately large 32-36 orange spots while the female with small brown spots 12-16; larger cheek spot about 1/5 of pupil diameter; male with branchostegal membrane with 20-24 small reddish orange spots on either side, but spotless in female; with a large, middle black spot in front of third spine of first dorsal fin, its height 1/2 of second spine; male with basal region of first dorsal fin with 7-8 orange or brownish orange spots, and the second dorsal fin with 2-3 longitudinal rows of orange spots; male with pectoral fin with two rows usually 3+4 (totally 7-8 spots) of orange to reddish orange spots (Ref. 133058).
Cross section: oval.
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Chen, I-S and M.-F. Yeh, 2024. Two new freshwater gobiid species of Rhinogobius Gill, 1859 (Teleostei: Gobiidae) from Taiwan. Zootaxa 5550(1):333-353. (Ref. 133058)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: di nessun interesse
Strumenti
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Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00356 - 0.01856), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Vulnerabilità della pesca (Ref.
59153): Low vulnerability (10 of 100).
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