Difference between revisions of "Arctic Shanny"

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| image_caption = Arctic shanny, ''Stichaeus punctatus''.
 
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Latest revision as of 17:53, 20 March 2020

Arctic Shanny, Stichaeus punctatus

Arctic Shanny
Arctic-shanny.png
Arctic shanny, Stichaeus punctatus.
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Actinopterygii
Order:
Perciformes
Family:
Stichaeidae
Genus:
Stichaeus
Species:
S. punctatus

Arctic_Life | ← More Animals | ← More Fish

The arctic shanny is primarily a bottom dwelling, cold water species, that is often found to depths of 55 metres.

General Information and Adaptations

These fish are generally brown, but can be bright scarlet on their backs and white on the underbelly. They have mottling on their sides and five or six dark spots along the dorsal fin. Features of their elongate body include a terminal mouth, a slightly projecting lower jaw, and a pointed head. One spiny dorsal fin extends the length of the body, but is separated from the rounded caudal fin. The anal fin is elongate, the pelvic fin is well defined, and the pectoral fins are large and fan-like. Small scales cover its whole body.

Behaviour and Distribution

The arctic shanny inhabits both Arctic and subArctic regions. It is found on both sides of the North Atlantic and on the east coast of Asia. In the Canadian Arctic, it ranges from Baffin Island and the Davis Straight, south to Hudson Bay. It also occurs south to Newfoundland, the Gulf of St. Lawrence, and off the coast of Nova Scotia. This Atlantic and Arctic species is quite particular in its habitat preferences. The adults hover over coarse stones and boulder substrates, while juveniles prefer finer gravel and pebbles. When a suitable site is found, it is aggressively defended against intruders. During turbulent storms, refuge is taken in crevices and under rocks.

The arctic shanny spawns during the months of February and March. Females lay thousands of adhesive eggs in a globular mass. Little else is understood about its reproductive biology, but planktonic larvae are present from June to August. Food consists of marine worms and shrimp-like crustaceans and, in turn, the arctic shanny is eaten by cod, Greenland halibut, and other fishes.

Traditional Names and Uses

External resources

Name ID
NCBI Taxonomy 980344
iNaturalist Arctic Shanny
BOLD 72892

References