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Gobiesociformes (Clingfishes) >
Gobiesocidae (Clingfishes and singleslits) > Haplocylicinae
Etymology: Gastrocyathus: Greek, gaster = stomach + Greek, kyathos, -ou = hollow of the hand (Ref. 45335).
More on author: Briggs.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien demersaal; diepte 0 - 7 m (Ref. 9003). Temperate
Southwest Pacific: endemic to New Zealand.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 4.5 cm TL mannelijk / geslacht onbekend; (Ref. 9003); max. gerapporteerde leeftijd: 4 Jaren (Ref. 9003)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 5 - 6; Anale stekels: 0; Anale zachte stralen: 5 - 7. Uniform red brown to yellowish with variable narrow bands along the head, level with the eye on the dorsal surface of the body, often breaking up into spots on the sides. Fins transparent. Distinguished from other clingfishes by its small size with a slender body tapering behind the head and the pointed fleshy tip on the upper jaw that overhangs the lower jaw.
Body shape (shape guide): elongated.
Found amongst weed at low tide, and on brown algae in the subtidal zone. Appears to be restricted to algal species with strap-like fronds. Feeds mainly on harpacticoid copepods.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Paulin, C. and C. Roberts, 1992. The rockpool fishes of New Zealand (Te ika aaria o Aotearoa). Museum of New Zealand (Te Papa Tongarewa). 177 p. (Ref. 9003)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
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Schattingen op basis van modellen
Gewenste temperatuur (Ref.
123201): 13.9 - 17.8, mean 15.9 °C (based on 67 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00398 (0.00193 - 0.00823), b=3.13 (2.94 - 3.32), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.0 ±0.00 se; based on food items.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (tmax=4).
Kwetsbaarheid van de visserij (Ref.
59153): Low vulnerability (10 of 100).
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