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Dive Site Rating Matrix

Completing a dive site rating can be a tricky and very subject exercise.  Depending upon  who is providing the rating they may give a dive sit rating that is very high and someone else may rate the same site as average or even poor.  Giving a dive site rating is highly influenced by the experience … Continue reading “Dive Site Rating Matrix”

Sponges

Sponges are animals of the phylum Porifera (meaning “pore bearer”). Their bodies consist of jelly-like mesohyl sandwiched between two thin layers of cells. While all animals have non specialized cells that can transform into specialized cells, sponges are unique in having some specialized cells that can transform into other types, often migrating between the main … Continue reading “Sponges”

Moray Eels of Hawaii

Moray eels (Family Muraenidae) make up one of the largest families of bony fishes in Hawai‘i, with more species (over 40) than any other fish family than perhaps the wrasses (Family Labridae). Their abundance cannot be truly appreciated because most species are small and remain well hidden within the reef. Research has show that the … Continue reading “Moray Eels of Hawaii”

Hard and Soft Corals

Coral colonies are composed of many tiny, cup-shaped animals called polyps, which are related to jellyfish. A single coral polyp may be as large as a saucer or smaller than the head of a pin. Millions of polyps working together in a cooperative colony generation after generation create the limestone skeletons that form the framework … Continue reading “Hard and Soft Corals”

Crustaceans. Invertabrates. Molusks. Echinoderms

Name Scientific Name Range Description Anemone Shrimp Periclimenes yucatanicus Most often seen residing in Condylactys gigantae in the Caribbean. However, it has other host anemones: B. annulata, A. pallida, and Lebrunia dannae. (Williams & Williams, 1981, Spotte, 1997) These shrimp wait outside their host and advertise their presence by waving their antennae or swimming up … Continue reading “Crustaceans. Invertabrates. Molusks. Echinoderms”

Hawaiian Fish

Common Name Scientific Name Range Description Achilles Tang Acanthurus achilles, Shaw, 1803 It is found in various reefs of Oceania, up to the islands of Hawaii and Pitcairn. The fish is also, although less commonly, found in the Mariana Islands and even some reefs in southern Mexico and Guatemala. Acanthurus achilles is a tropical fish … Continue reading “Hawaiian Fish”

Caribbean Fish and Sea Turtles

Common Name Scientific Name Range Description  Ballonfish  Diodon holocanthus (Linnaeus 1758)     Balloonfishes are circumtropical in distribution. These fish are found in the Western Atlantic from Florida, USA to the Bahamas and Brazil, in the Eastern Atlantic around 30°N-23°S, and in South Africa. In the Eastern Pacific from Hawaii to Pitcairn and the Easter Islands, and … Continue reading “Caribbean Fish and Sea Turtles”