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> Perciformes/Gasterosteoidei (Sticklebacks) > Gasterosteidae (Sticklebacks and tubesnouts)
Etymology: Apeltes: Greek, a = without + Greek, pelte = shield (Ref. 45335).
More on author: Mitchill.

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

seewasser; süßwasser; brackwasser benthopelagisch; tiefenbereich 0 - 3 m (Ref. 85409). Temperate; 4°C - 20°C (Ref. 2059); 51°N - 35°N

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Western Atlantic: Gulf of St. Lawrence in Canada to North Carolina, USA. Mainly a near-shore marine species, but far inland populations occur in lakes in Nova Scotia in Canada and in Hudson, Delaware and Susquehanna River drainages (Ref. 5723).

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 6.4 cm TL Männchen/unbestimmt; (Ref. 5723); common length : 4.1 cm TL Männchen/unbestimmt; (Ref. 12193); max. veröff. Alter: 3.00 Jahre (Ref. 12193)

Adults occur mainly along weedy bays and backwaters, entering brackish water and to a limited extent, fresh water (Ref. 3814). Feed along the bottom, primarily on diatoms, worms and crustaceans by sucking in the prey with a pipetting action (Ref. 27549). Males build, guard and aerate the nest where the eggs are deposited (Ref. 205).

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

The male builds, guards and aerates the nest (Ref. 205).

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Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. Common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Publ. (20):183 p. (Ref. 3814)

IUCN Rote Liste Status (Ref. 130435)

nicht bedroht (LC) ; Date assessed: 20 October 2011

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Aquarium: Öffentliche Aquarien

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Estimates based on models

Preferred temperature (Ref. 123201): 4.2 - 12.7, mean 6.4 °C (based on 228 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01047 (0.00408 - 0.02689), b=3.07 (2.85 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.2 ±0.38 se; based on food items.

Generation time: 1.3 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (K=0.84; tmax=3).

Fishing Vulnerability (Ref. 59153): Low vulnerability (16 of 100).

Apeltes quadracus (Mitchill, 1815)