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Pholis gunnellus (Linnaeus, 1758) Rock gunnel |
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photo by
Noren, M. |
Family: | Pholidae (Gunnels), subfamily: Pholinae | |||
Max. size: | 25 cm SL (male/unsexed); max. reported age: 5 years | |||
Environment: | demersal; brackish; marine; depth range 0 - 100 m, non-migratory | |||
Distribution: | North Atlantic: Kanin Peninsula southward to La Rochelle (including White Sea, North Sea and Baltic), also Iceland, but not eastern Greenland, Spitzbergen or Novaya Zemlya. Western Atlantic: Labrador, Canada to Delaware Bay, USA (Ref. 7251). | |||
Diagnosis: | Ribbon - shaped body with 9 - 13 eye spots along the base of the dorsal fin (Ref. 35388). | |||
Biology: | Occurs in shallow waters (seashore, tide pools), but descends (especially in winter) to 100 m or more. May remain out of water under rocks or seaweeds (Ref. 31184). Feeds on small crustaceans, polychaetes, mollusks and fish eggs. The eggs are laid on the sea bed in a large clump, which is closely guarded until hatched (Ref. 9900). Breathes air when out of water (Ref. 31184). Spawning occur in November - January . Female lays 80-200 eggs in a large ball under a stone or in an empty bivalve shell (Ref. 35388). | |||
IUCN Red List Status: | Not Evaluated (N.E.) Ref. (130435) | |||
Threat to humans: | harmless |