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Teleostei (teleosts) > 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 Ecology

Freshwater; demersal. High altitude

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Oceania: Northland, New Zealand.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 11.8 cm TL male/unsexed; (Ref. 43717); common length : 10.0 cm TL male/unsexed; (Ref. 43717)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 12 - 16; Anal spines: 0; Anal soft rays: 16 - 19; Vertebrae: 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 Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator : Berra, Tim M. | Collaborators

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)

IUCN Red List Status (Ref. 130435)

Critically Endangered (CR) (B2ab(ii,iii)); Date assessed: 16 July 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00490 (0.00205 - 0.01170), b=3.12 (2.91 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.0 ±0.3 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Neochanna heleios Ling & Gleeson, 2001