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Galaxiiformes (Southern smelts) >
Galaxiidae (Galaxiids) > Galaxiinae
Etymology: Neochanna: Greek, neos = new + Greek, channe, -es = an anchovy (Ref. 45335); heleios: From the Greek heleios meaning 'dwelling in the marsh' (Ref. 43717).
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal. High altitude
Oceania: Northland, New Zealand.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 11.8 cm TL mâle / non sexé; (Ref. 43717); common length : 10.0 cm TL mâle / non sexé; (Ref. 43717)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 12 - 16; Épines anales: 0; Rayons mous anaux: 16 - 19; Vertèbres: 55 - 57. Jaw extends to posterior margin of the eye; eye is small; head displays a dorsal bulbous swelling behind eye, particularly in large individuals; caudal peduncle elongated. Principal caudal fin rays 11-13. Caudal fin rounded (Ref. 43717).
Facultative air-breathing in the genus (Ref. 126274); Inhabits ephemeral areas that dry out over summer and autumn months, where it aestivates in damp areas or under tree roots and logs (Ref. 43717).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Ling, N. and D.M. Gleeson, 2001. A new species of mudfish, Neochanna (Teleostei: Galaxiidae), from northern New Zealand. J. R. Soc. N. Z. 31(2):385-392. (Ref. 43717)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00206 - 0.01165), b=3.12 (2.91 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.0 ±0.3 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).