hexacorallia

2

Corynactis annulata

…is a species of Corallimorpharian cnidarian which is sometimes known as a “Strawberry anemone” despite the fact that is a Corallimorpharian and not a true sea anemone. Corynactis annulata occurs around the southern African coast, ranging from Port Nolloth to Mossel Bay, where it inhabits the intertidal zone. C. annulata is a colonial organism which occurs in clusters and sheets on rocky reefs where it feeds on small planktonic organisms. 

Classification

Animalia-Cnidaria-Anthozoa-Hexacorallia-Corallimorpharia-Corallimorphidae-Corynactis-C. annulata

Image(s): Seascapeza

Strawberry Anemone (Actinia fragacea)

…a species of Actiniid sea anemone which is found in the northeastern and eastern Atlantic Ocean. Its range extends from Norway, Scotland and Ireland to the Mediterranean Sea and North Africa, including the Azores, the Canary Islands and Cape Verde. Strawberry anemones typically inhabit the intertidal and sublittoral zone at depths less than 10 meters (33 ft). They are generally found attached to rocks and boulders. 

Classification

Animalia-Cnidaria-Anthozoa-Hexacorallia-Actiniaria-Actiniidae-Actinia-A. fragacea

Image: Nilfanion

“Elephant Ear Coral” (Amplexidiscus fenestrafer)

…a species of Discosomatid coral which is known to occur throughout the waters of the Indo-West Pacific. Elephant ear corals are often seen in shallow waters 5-25 m in reefs, where they will feed on a wide range of marine invertebrates which get dispatched by its stinging nematocysts, like other corals it can also feed via productions by its symbiotic zooxanthellae.

Classification

Animalia-Cnidaria-Anthozoa-Hexacorallia-Corallimorpharia-Discosomatidae-Amplexidiscus-A. fenestrafer

Image: Line1

“Cape Zoanthid” (Isozoanthus capensis)

…a speices of zoanthid (Order: Zoanthidea) which is distributed and possibly may be endemic to the area around the Cape Peninsula to Port St. Johns along the South African coast. Isozoanthus capensis is a shallow water species, and like most cnidarians feeds mainly on various plankton

Classification

Animalia-Cnidaria-Anthozoa-Hexacorallia-Zoanthidea-Parazoanthidae-Isozoanthus-I. capensis

Image: Seascapeza

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“Flower Pot Coral” (Genus: Goniopora)

Goniopora is a genus of colonial stony coral which occurs in lagoons and areas with turbid water conditions throughout the Arabian Sea, Indian Ocean and various tropical and subtropical areas of the Pacific Ocean. Like other colonial stony corals Goniopora spp. are carnivorous and will feed on passing invertebrates and organic matter which are caught by their stinging nematocysts. 

Classification

Animalia-Cnidaria-Anthozoa-Hexacorallia-Scleractinia-Portidae-Goniopora

Images: Peter Young Gho, MD and Gdiggers

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Spinnaker Anemone (Korsaranthus natalensis)

Also known as the candy-striped anemone, the spinnaker anemone is a species of Actiniid anemone which is endemic to the South African coast, where it occurs from False Bay to Durban. Spinnaker anemones are noted for being partly motile, as they use their parachute like disc to “sail” to different locations to prey on octocorals. 

Classification

Animalia-Cnidara-Anthozoa-Hexacorallia-Actiniaria-Actiniidae-Korasaranthus-K. natalensis

Image(s): Seascapeza