Pacific Reef and Shore. Rick M. Harbo

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Pacific Reef and Shore - Rick M. Harbo

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than Steller sea lion. Mature male dark brown to tan, light-coloured bump on forehead. Female blonde to tan. Barks. Hauls out on rocks, logs and docks. Males and the occasional female migrate north of the breeding grounds in California and Mexico.

      Sea Otter, River Otter

      Sea Otter

       Enhydra lutris

      To 5’ (1.5 m) long. Weight to 80 lb. (36 kg). Short, flattened tail. Short, thick neck and flat, broad head. Large, webbed hind feet. Tan or rusty red to dark brown or black, with light-coloured head. Squeals, hisses and grunts. Uses rock as a tool while eating and floating belly-up. Often swims on its back. Typically in open, exposed waters, solitary or “rafts” in kelp beds. Clumsy on land, seldom leaves the water.

      River Otter

       Lutra canadiensis

      To 4’6” (1.4 m) long. Weight to 30 lb. (13.5 kg). Long, round, tapered tail. Slender body and long neck, small, webbed hind feet. Short, dense dark fur above, lighter below. Unique whistle. Often swims belly-down. At home on land.

      Fishes

      Phylum Chordata

      Cartilaginous Fishes

      These fishes, including sharks, rays and skates, have cartilaginous skeletons.

      Spiny Dogfish

       Squalus acanthias

      To 5’3” (1.6 m) long. Weight to 20 lb. (9 kg). Long, slender shark. Slate grey to brown with grey-white underside. A single spine at the front of each of the top (dorsal) fins. Small mouth. Bears live young, rather than eggs. At surface to 2,400’ (720 m).

      Six Gill Shark

       Hexanchus griseus

      To 26’5” (8.8 m) long. Large head, 6 gill slits and a single dorsal fin. Dark brown to slate-grey with pale underside. Known as a “cow shark,” not known to be aggressive toward divers. Usually in deep waters, has been seen regularly at 3,100’ (933 m).

      Ratfish

       Hydrolagus colliei

      To 39” (1 m) long. Large snout, small mouth with forward-pointing teeth. Long, tapering tail. Grey-brown body with white spots and silver underside. Swims by flapping forward fins. Male has large claspers on underside. Female lays eggs in elongated cases. Often in shallows, 30–3,085’ (9–925 m) deep.

      Big Skate

       Raja binoculata

      To 8’ (2.4 m) long overall. Weight 200 lb. (90 kg)+. Pointed, V-shaped snout. Large eye-like spots near centre of each pectoral fin. Brown to dark grey. Rests on bottom, often partially buried, 10–2,625’ (3–788 m) deep.

      Skate Egg Cases (Mermaid’s Purse)

      Egg case of each species has a unique shape. Case of the big skate, Raja binoculata, may be up to 12” (30 cm) long and contain as many as 7 eggs. Often washed up on shore.

      Bony Fishes

      These fishes have bony skeletons and a variety of body shapes. Many are the familiar species seen in tidepools and on reefs.

      Tidepool Sculpin

       Oligocottus maculosus

      To 3½” (9 cm) long. Slender body, single forked spine on gill cover. Colour varies, often red-brown to green; 5 irregular dark saddles across the back. Common only in tidepools.

      Scaleyhead Sculpin

       Artedius harringtoni

      To 4” (10 cm) long. 2 pairs of bush appendages on head of male. Colour varies from red to brown; white spot at base of caudal fin. At 16–35’ (5–10.5 m) deep.

      Longfin Sculpin

       Jordania zonope

      To 6” (15 cm) long. Slender, tapered body. Colourful olive green, red-orange and blue bands. Distinctive pale bands on head. At 6–60’ (2–15 m) deep.

      Sailfin Sculpin

       Nautichthys oculofasciatus

      To 8” (20 cm) long. Pink-orange to brown with bands on the back. Unique tall, sail-like first dorsal fin. In crevices, on pilings in shallow subtidal to 360’ (108 m) deep.

      Red Irish Lord

       Hemilepidotus hemilepidotus

      To 20” (50 cm) long. Large head and eyes, conspicuous band of scales 4 to 5 wide, along sides. Colourful yet camouflaged, with red patches and brown, black and white mottling. In rocky areas, usually motionless, intertidal to 162’ (49 m) deep.

      Buffalo Sculpin

       Enophrys bison

      To 14½” (36 cm) long. Large head with pair of prominent spines on gill cover. Raised plates along high lateral line. Colour varies from brown to pink and green, with 4 dark saddles across the back. Pink egg mass. On rocky reefs, 3–60’ (1–15 m) deep.

      Cabezon

       Scorpaenichthys marmoratus

      To 39” (1 m) long. Weight to 30 lb. (13.5 kg). Large head, tapered body. Bushy, flap-like appendage on snout and above each eye. Marbled olive green to brown or grey, well camouflaged. On rocky reefs, in kelp, intertidal to 250’ (75 m)

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