Classificazione / Nomi
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Cypriniformes (Carps) >
Nemacheilidae (Brook loaches)
Etymology: Homatula: Greek, homos, homoios = similar + Greek, atylos, atylotos = without callosities; anteridorsalis: Name from Latin 'anteri' meaning 'in front' and 'dorsalis' for dorsal fin, referring to the more anterior origin of dorsal- and pelvic-fins than in other species of Homatula.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
; acqua dolce demersale. Subtropical
Asia: China.
Dimensione / Peso / Età
Maturità: Lm ? range ? - ? cm
Max length : 14.1 cm SL maschio/sesso non determinato; (Ref. 121600)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
This species is distinguished from its congeners by the following set of characters: with bars on flank across lateral line more than or equal to 25 (vs. less than or equal to 20 in H. acuticephala, H. erhaiensis); bars on flank vertical along lateral line (vs. none in H. nigra); no free protrusions between the pelvic fins (vs. pair of free protrusions in H. pycnolepis); gill opening is smaller, upper angle level with lower edge of eye (vs. opening larger and with upper angle aligned with middle point of eye in H. acuticephala, H. anguillioides, H. coccinocola, H. erhaiensis, H. pycnolepis); with pelvic axillary lobe (vs. none in H. anguillioides, H. acuticephala); marked notch on lower jaw (vs. lower jaw spoon-shaped and no notch in H. erhaiensis, H. wuliangensis); dorsal-fin base is shorter than longest branched dorsal-fin ray (vs. longer than longest branched dorsal-fin ray in H. acuticephala, H. anguillioides, H. cryptoclathrata, H. erhaiensis, H. wuliangensis); dorsal and pelvic fins are located anteriorly, predorsal length 44.4% SL (42.8-46.3%), prepelvic length 45% SL (43.3-46.7 %) (vs. predorsal length 47.7% SL (45.7-49.6 %), prepelvic length 48.7% SL (47.0-49.9 %) in all congeners of densely-scaled group of Homatula (Ref. 121600).
Cross section: circular.
Inhabits flowing and clear stream environments and dwells on the bottom, shuttling back and forth among rocks and gravel. An omnivorous species, mainly feeding on algae attached to rocks, organic residues, and small aquatic insects. It inhabits flowing and clear stream environments and dwells on the bottom, shuttling back and forth among rocks and gravel (Ref. 121600).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Li, X., X.-J. Che and W. Zhou, 2019. Loaches of Homatula (Teleostei: Nemacheilidae) from the upper Salween River in Yunnan, China with description of three new species. Zootaxa 4711(2):330-348. (Ref. 121600)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
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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=0.00724 (0.00352 - 0.01491), b=3.01 (2.84 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 2.7 ±0.3 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).
Vulnerabilità della pesca (Ref.
59153): Low vulnerability (10 of 100).
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