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> Perciformes/Gasterosteoidei (Sticklebacks) > Gasterosteidae (Sticklebacks and tubesnouts)
Etymology: Gasterosteus: Greek, gaster = stomach + Greek, osteon = bone (Ref. 45335).
More on author: Sauvage.

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

; sötvatten bentopelagisk. Temperate

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Europe: Iceland. Some populations in Norway and northern Finland with low scute number possibly refer to this species.

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 5.5 cm SL hane/ej könsbestämd; (Ref. 59043)

Short description Bestämningsnycklar | Morfologi | Morfometri

Distinguished uniquely from congeners in Europe by having a deep notch on the anterior margin of pelvic girdle. Differs further from other members of the genus by having the following combination of characters: trunk with 2-15 scutes; and scutes forming a lateral keel on caudal peduncle or keel absent. Morphological differences are reported in several lakes between individuals occurring in different substrates (mud, lava), especially in Lake Thingvalla (Ref. 59043).

Adults inhabit streams and lakes (Ref. 59043). Males build, guard and aerate the nest where the eggs are deposited (Ref. 205).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Males build, guard and aerate the nest where the eggs are deposited (Ref. 205).

Main reference Upload your references | referenser | Koordinator | Medarbetare

Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Least Concern (LC) ; Date assessed: 14 December 2022

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

Ytterligare information

Trophic ecology
Födoslag
Födosammansättning
Födointag
Food rations
Predatorer

Ecology
Ekologi

Population dynamics
Tillväxtparametrar
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Rekrytering
Abundans

Life cycle
Reproduktion
Könsmognad
Maturity/Gills rel.
Fecundity
Lek
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Ägg
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Larver
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Distribution
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Anatomy
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Physiology
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Genetics
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References
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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=0.01047 (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).

Trofisk nivå (Ref. 69278): 3.2 ±0.2 se; based on size and trophs of closest relatives

Resiliens (Ref. 120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).

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

Gasterosteus islandicus Sauvage, 1874