New Zealand country information

Common names: New Zealand pygmy sleeper
Occurrence: endemic
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Widely distributed in the country's coastal waters, extending from the Bay of Islands, Northland, to Stewart Island in the south. Three geographical groupings were seen along the north-east coast of the North Island, around Cook Strait, and at Fiordland and Stewart Island, and these probably reflect sampling intensity; and the species is likely to also occur along the east coasts of both islands where habitat is favourable. However, its apparent absence from the west coasts, other than Fiordland, may be real and may reflect the lack of its preferred habitat of sheltered rocky reefs, although collecting effort has been low in some west coast areas. The species has not been collected at the Chatham Islands, despite sampling at 17 rotenone stations at 0-21 m depth (Ref. 57647).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/nz.html
National Fisheries Authority: http://www.fish.govt.nz/
Occurrences: Occurrences Point map
Main Ref: Hoese, D.F. and C.D. Roberts, 2005
National Database:

Common names from other countries

... more

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Gobiiformes (Gobies) > Thalasseleotrididae (Ocean sleepers)
Etymology: Thalasseleotris: Greek, thalassa = the sea + The name of a Nile fish, eleotris (Ref. 45335); iota: Name from the Greek word 'iota' meaning very small, referring to its size..
More on authors: Hoese & Roberts.

Environment: milieu / climate zone / depth range / distribution range Ökologie

seewasser riff-verbunden; tiefenbereich 2 - 34 m (Ref. 57647). Tropical

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Southwest Pacific: New Zealand.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 3.3 cm SL Männchen/unbestimmt; (Ref. 57647)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 7 - 8; Rückenflossenweichstrahlen (insgesamt): 8-10; Afterflossenstacheln 1; Afterflossenweichstrahlen: 7 - 9. Diagnosis: This species differs from T. adela Hoese & Larson, 1987, in having a narrower gill opening, extending forward to below posterior margin of eye or slightly behind eye (vs. under middle of eye); less extensively scaled body, with naked area reaching to below second dorsal origin or beyond (vs. near end of first dorsal fin); higher transverse scale count (usually 7 - 8 vs. 6 - 7); modally lower vertebral count (10+16 vs. 10+17); anterior nasal tube distinctly longer than posterior nasal tube (vs. subequal); two anal pterygiophores before first haemal spine (vs. 1); uppermost scale and lowermost scale on base of caudal fin with enlarged peripheral cteni (vs. no enlarged peripheral cteni). There are several color differences, including: lacking a black spot posteriorly on the first dorsal fin; usually 5 - 6 small black more or less rounded spots on the ventral midline of the caudal peduncle (vs. usually 4 horizontally elongate black spots); a broad black or dark brown area on basal third of pectoral fin (vs. no distinct black area or a small black spot dorsally on proximal upper 2 - 3 rays); dorsal, anal, and caudal fins with thin wavy grey lines (vs. uniformly pigmented); and no dark dorsomedian line on band before first dorsal fin (Ref. 57647).

Observed to be solitary and possibly, a territorial species. Inhabits broken rocky reefs with holes, crevices, and small caves; perches on rocky ledges partly overlain by silty sand or shell debris. Reported to be often collected underwater sharing caves with much larger black gobies Gobiopsis atrata. Its small size, cryptic habit, semi-transparency, and camouflage coloration make this fish very difficult to locate underwater; though readily collected with rotenone ichthyocide while scuba diving. The habitat of this species in New Zealand is very similar to that of T. adela in Australia, which is restricted to rocky reefs, often in silty turbid waters, at 1-24 m depth. May be collected using slurp gun or hand collected following controlled use of rotenone ichthyocide (Ref. 57647).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

Hoese, D.F. and C.D. Roberts, 2005. A new species of the eleotrid genus Thalasseleotris (Teleostei: Gobioidei) from New Zealand coastal waters. J. R. Soc. N. Z. 35(4):417-431. (Ref. 57647)

IUCN Rote Liste Status (Ref. 130435)

Nicht untersucht

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

FAO(Publication : search) | FishSource |

Mehr Information

Länder
FAO Gebiete
Ecosystems
Vorkommen
Einführungen
Stocks
Ökologie
Nahrung
Nahrungsorganismen
Nahrungsaufnahme
Nahrungsmenge

Namen
Synonyme
Metabolismus
Räuber
Ökotoxikologie
Fortpflanzung
Geschlechtsreife
Ablaichen
Fecundity
Eier
Eientwicklung

Alter/Größe
Wachstum
Länge-Gewicht
Länge-Länge
Längenhäufigkeiten
Morphometrie
Morphologie
Larven
Larven Pop.Dyn.
Rekrutierung
Dichte

Referenzen
Aquakultur
Aquakultur Profil
Zuchtlinien
Genetik
Electrophoreses
Vererbbarkeit
Krankheiten
Verarbeitung
Mass conversion

Partner
Bilder
Stamps, Coins Misc.
Laute
Ciguatera
Geschwindigkeit
Schwimmstil
Kiemenoberfläche
Otoliths
Gehirngröße
Sehfähigkeit

Tools

Zusatzinformationen

Aquarium Hälterung suchen | Art Datenblatt suchen | Aquakultur Datenblatt suchen

Download XML

Zusammenfassung | Point data | Namen | Photos

Internet Quellen

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.8750 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.1 ±0.4 se; based on size and trophs of closest relatives

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

Thalasseleotris iota Hoese & Roberts, 2005