Facts

Jellyfish or Sea Jellies Upside down jelly Cassiopea andromeda

Jellyfish or Sea Jellies which is correct ?

Despite the name, jellyfish are not fish and the term is not scientifically appropriate, many scientists are beginning to refer to them as jellies or sea jellies in a similar fashion to the name change occu...
blue striped snapper Lutjanus kasmira on Mafia Island Tanzania

Blue Lined Snapper – Facts and Photographs

The blue lined snapper Lutjanus kasmira is also known as the bluestriped sea perch and blue lined snapper, they are attractive fish which often shoal in large numbers. When seen over a reef, a shoal of thes...
Red Barred Rock Cod Epinephelus fasciatus

Red Barred Rock Cod – Facts and Photographs

The red barred rock cod Epinephelus fasciatus is also known as the black tipped rock cod, red barred grouper, red banded grouper and the football grouper. APPEARANCE The red barred rock cod has a fairly t...
Longfin Bannerfish Heniochus acuminatus on Kankadya reef Tanzania

Longfin Bannerfish – Facts and Photographs

The long fin bannerfish Heniochus acuminatus, is also known as the coachman or pennant bannerfish and is sometimes called the poor man's moorish idol by aquarists as they are more affordable. They are close...
Bluebottle Portuguese man of war bloublasie sting

Bluebottles – Stings and All You Need to Know

The bluebottle, (Indo-Pacific) Portuguese man of war, bloublasie and sometimes mistakenly called the bluebottle jellyfish, gets its names from its float. The float resembles a bottle or an old Portuguese ma...
Slipper coral Herpolitha limax

Slipper Coral – Facts and Photographs

Slipper coral (Herpolitha limax) also known as boomerang or tongue coral, is a large polyp stony type of mushroom coral in its own genus Herpolitha and it is the only member of the genus. As with the other ...
coral rock cod, Cephalopholis miniata, is also known as the coral hind, miniatus grouper, miniata grouper, vermilion seabass, and coral grouper

Coral Rock Cod – Facts and Photographs

The coral rock cod, Cephalopholis miniata, is also known as the coral hind, miniatus grouper, miniata grouper, vermilion seabass, and coral grouper. APPEARANCE The coral rock cod has a typical grouper sha...
A humpnose bigeye bream, Monotaxis Grandoculis in Mafia Island Marine Park

Humpnose Big Eye Bream- Facts and Photographs

The humpnose big eye bream, Monotaxis grandoculis, also known as a big eye sea bream, large eyed bream and big eye bream, is a species of emperor. As adults they often form large shoals that hang motionless...
Mole Crabs- Sea Lice-Genus Emerita

Mole Crabs – Facts and Photographs

Mole crabs of the genus Emerentia, also known as sea lice, sand fleas or sand crabs, are small crabs that are seldom seen, except perhaps when their shells are washed up on a beach. APPEARANCE Mole crabs ...

Diving on Mafia Island, Tanzania

Whale shark off Mafia Island  PHOTOGRAPHY BY ALAN SUTTON Mafia Island is situated  25 km from mainland Tanzania and is approximately 130 kilometers south east of Dar es Salaam. The island is 48 kilometer...
magnificent sea anemone, Heteractis magnifica

Magnificent Anemone – Facts and Photographs

The magnificent sea anemone, Heteractis magnifica is also known as the Ritteri anemone. Previously they were known as Radianthus ritteri but they have now been reclassified. APPEARANCE The magnificent sea...
bluefin trevally, Caranx melampygus

Bluefin Trevally – Facts and Photographs

The bluefin trevally, Caranx melampygus is also known as the bluefin jack, blue finned crevalle, omilu, blue ulua and in South Africa as the bluefin king fish. APPEARANCE The species is easily distinguish...
Pomacanthus semicirculatus

Koran Angelfish-Facts and Photographs

The Koran angelfish, blue angelfish or semicircle angelfish (Pomacanthus Semicirculatus) is a commonly seen fish on coral reefs in East Africa. They range from East Africa to as far south as the rocky shore...
Leopard Blenny (Exallias brevis)

Leopard Blenny – Facts and Photographs

The leopard blenny (Exallias brevis) also known as the pink-spotted blenny, shortbodied blenny and honeycomb blenny  is a fish full of character. When first approaching a leopard blenny underwater it will o...
he freckled hawkfish (Paracirrhites forsteri), also known as the forster’s hawkfish, has a habit of sitting in strategic raised spots on the reef, with its head sticking upwards

Freckled Hawkfish-Facts- Video and Photographs

The freckled hawkfish (Paracirrhites forsteri), also known as the forster's hawkfish, has a habit of sitting in strategic raised spots on the reef, with its head sticking upwards. From there they view their...
Female White Spotted Boxfish

White Spotted Boxfish

The white-spotted boxfish (Ostracion meleagris) also known as the spotted boxfish, blue boxfish and black boxfish. The reason for the variation in name...
Gracile Lizard Fish

Gracile Lizard Fish

The gracile lizard fish (Saurida gracilis) or gracile saury, as it is sometimes called, is a common fish on the East African coast, usually perched atop reefs with an intimidating smile of protruding teeth....

Mandarin Goby

The mandarin goby (Synchiropus splendidus) as it is very often called or mandarin fish, green mandarin, striped mandarin fish, striped dragonet and green dragonet is not a goby, rather it is a dragonette, b...
velella velella

Velella Velella – Facts and Photographs

Velella Velella are also known as sea rafts, little sailers and by the wind sailors. They are a very unusual species of free floating hydrozoans. They are a part of the cnidaria family (of jellyfish and sea...
Roboastra luteolineata

Roboastra Luteolineata Nudibranch

Roboastra luteolineata is a sea slug known as a polycerid nudibranch, marine gastropod mollusc's in the family Polyceridae. The family Polyceridae is distinguished from other nudibranchs by having by having...
Allard's Clownfish

Allard’s Clownfish Facts and Photographs

The allard’s clownfish (Amphiprion allardi), also known as the two bar anemone fish, is a fairly large clownfish. They form part of the Clarki grouping of clownfish, and are very similar in appearance to th...
crowned jellyfish (Cephea cephea)

Crowned Jellyfish

The crowned jellyfish (Cephea cephea) is also known as the crown jellyfish or cauliflower jellyfish. It is normally found in the open oceans in the indo pacific area. It gets its name from the cauliflower-l...
Octopus

Common Octopus

Here are several interesting facts about the common octopus (octopus vulgaris): GENERAL INFO The octopus vulgaris is a mollusc with eight tentacles and a beak shaped mouth. Their tentacles can grow...