Open violet zoanthid polyps covering the bottom of a rock pool. Port St Johns, Wild Coast, Eastern Cape (2021). Polyps tall, with a height of 2-3 times the width, and connected by a thin coenenchyme. Like all Zoanthus species, the polyp column is smooth, never embedded with sand. Column usually violet to grey, with an… Continue reading Violet zoanthid (Zoanthus sansibaricus)
Tag: Port St Johns
Trumpeter hornbill (Bycanistes bucinator)
Male trumpeter hornbill in a large tree. Port St Johns, Wild Coast, Eastern Cape (2021) - iNaturalist A medium to large, black-and-white hornbill. Smaller than the silvery-cheeked hornbill, with a white belly and lower breast, a black (not white) back and a smaller, darker bill. In fight, it has white trailing edges to its wings… Continue reading Trumpeter hornbill (Bycanistes bucinator)
Chili pepper sponge (Tedania anhelans)
Probable specimen of chili pepper sponge on the side of a rock pool, surrounded by a mat of Spirobranchus kraussii. Port St Johns, Wild Coast, Eastern Cape (2021) - iNaturalist Reddish-brown, also reported as orange-green or blueish. Massive sponge with conical oscular elevations, and thinner blind-ending fistules and projections. Surface smooth, consistency soft, compressible and… Continue reading Chili pepper sponge (Tedania anhelans)
Oval urchin (Echinometra mathaei)
Oval urchin found between stones at the bottom of a rock pool. Port St Johns, Wild Coast, Eastern Cape (2021). Also referred to as the burrowing urchin or the rock-boring urchin. Test oval when viewed from above, purple to black. Spines fairly long and stout, tapering evenly to a sharp tip. Spine color purple, brown… Continue reading Oval urchin (Echinometra mathaei)
Knobbly dogwhelk (Mancinella capensis)
Details of the rows of tubercles on the knobbly dogwhelk. Port Alfred, Eastern Cape (2024) - iNaturalist Formerly named Thais capensis or Thylothais capensis. Spire almost as long as the aperture. Grey, with 3 - 4 spiral rows of obvious, paler tubercles. About 40 mm. Hides under rocks in low-shore pools or shallow waters. Eats… Continue reading Knobbly dogwhelk (Mancinella capensis)
Yellow-banded hermit crab (Clibanarius virescens)
Specimen of yellow-banded hermit crab peaking out of a scaly dogwhelk (Nucella squamosa) shell and trying to flip himself. Port Alfred, Eastern Cape (2024). Body olive-green. Nippers about equal in size, spotted with yellow. Fingers yellow with black tips. Walking legs banded with yellow. Between 10 and 20 mm. Abundant hermit crab in mid-to-high shore… Continue reading Yellow-banded hermit crab (Clibanarius virescens)
Blue-eyed hermit crab (Calcinus laevimanus)
Both hermit crabs live in the shells of Lunella coronata (formerly Turbo coronatus). Port St Johns, Wild Coast, Eastern Cape (2021) - iNaturalist Also called left-handed hermit crab. Nippers dark brown with white fingers, that of the left side greatly enlarged to block the shell opening when the crab withdraws. Eyes blue, eyestalks and first… Continue reading Blue-eyed hermit crab (Calcinus laevimanus)
Green rock crab (Grapsus fourmanoiri)
Green rock crab cruising in a rock pool. Port St Johns, Wild Coast, Eastern Cape (2021) - iNaturalist Very similar to the Natal rock crab in structure, but dull khaki-green tinged with yellow and with pale nippers. The sides of its carapace are almost straight, not obviously convex as in the Natal rock crab. About… Continue reading Green rock crab (Grapsus fourmanoiri)
Natal rock crab (Grapsus tenuicrustatus)
Natal rock crab waiting for the waves on rock boulders. Port St Johns, Wild Coast, Eastern Cape (2021) - iNaturalist Carapace black, usually speckled with green. Sides obviously convex. The posterior part of the carapace has about eight fine grooves that run outwards to the edge. Legs red-brown and yellow. Nippers dark red. 'Hand' weakly… Continue reading Natal rock crab (Grapsus tenuicrustatus)
Crowned turban shell (Lunella coronata)
Eroded crowned turban shell in a shallow rock pool. Port St Johns, Wild Coast, Eastern Cape (2021) - iNaturalist Distinguished by its operculum, which has a greenish tinge and is smooth or has only a faint granulation. Shell with strong, spirally-arranged nodules, the uppermost row on the body whorl being particularly well developed and forming… Continue reading Crowned turban shell (Lunella coronata)
F*CK FISH 