Invertebrates

Sand Mason Worm ( In the Genus Lanice)

Sand Mason Worms-Facts and Photographs

Sand Mason Worms ( In the Genus Lanice)  are not common inhabitants on the reefs in Tanzania, but if one keeps ones eyes open when diving, one can often pick them out in soft sand between corals and rocks. They...
Flathead Slipper Lobster (Thenus Orientalis)

Flathead Slipper Lobster- Facts and Photographs

The Flathead Slipper Lobster (Thenus Orientalis)  is a very unusual looking clawless lobster even by slipper lobster standards.  In Australia they are known as the Morton Bay bug. They are  only active at n...

Partridge Tun Shell-Facts and Photographs

The Partridge Tun shell (Tonna perdix) is a large fairly reclusive mollusk rarely encountered on shallow night dives in Tanzanian waters. They are marine snails in the super family Tonnoidea. They are unusu...
Coral Scallop (Pedum spondyloideum ) is also known as the Iridescent Clam

Coral Scallop-Facts and Photographs

The Coral Scallop (Pedum spondyloideum) is also known as the Iridescent Clam and the Blue Lipped coral Oyster. They are however scallops.  They reside within several species of hard stony corals, but are mo...
Senatorial Scallop (Mimachlamys sanguinea)

Senatorial Scallop-Facts and Photographs

The Senatorial Scallop (Mimachlamys sanguinea) seems to have been named scientifically several times in the past and was previously known as Chlamys senatoria, Chlamys porphyrea and Chlamys australis.  They a...
Halloween Hermit Crab (Ciliopagurus strigatus) is also known as Cone Shell Hermit Crab, the Striped Hermit Crab and the Orange Legged Hermit Crab

Halloween Hermit Crab- Facts and Photographs

The Halloween Hermit Crab (Ciliopagurus strigatus) is also known as the Cone Shell Hermit Crab, the Striped Hermit Crab and the Orange Legged Hermit Crab.  They are one of the more colourful smaller hermit ...
Seahorse on a Frogfish

Seahorse on a Frogfish

At the very end of an amazing night dive on Mafia Island in Tanzania arranged by David of Mafia Island Diving.  My dive buddy Anna Madrugo found a Frogfish and called me over. After taking a few images of t...
Spiny Spooner Reef Crab (Etisus dentatus) is also known as the Red Reef Crab

Spiny Spooner Reef Crab- Facts and Photographs

The Spiny Spooner Reef Crab (Etisus dentatus) is also known as the Red Reef Crab. They obtain their name from the spoon shaped endings of their chelipeds and the spiny carapace. If one looks carefully at th...
Blunt Slipper Lobster (Scyllarides squammosus)

Blunt Slipper Lobster- Facts and Photographs

The Blunt Slipper Lobster (Scyllarides squammosus)  is an unusual looking clawless lobster.  They are usually only active at night and during the day they are almost never seen, being adept at hiding themse...
Smooth Box Crab (Calappa calappa) is also known as the Giant Box Crab

Smooth Box Crab- Facts and Photographs

The Smooth Box Crab (Calappa calappa) is also known as the Giant Box Crab or the Shamefaced Crab. Because of their variable colouration they are sometimes also called the Red Spotted Box Crab. They are n...
Christmas Worm ( Spirobranchus giganteus)

Christmas Worms-Facts and Photographs

Christmas Worms ( Spirobranchus giganteus)  are common inhabitants of the reefs in Tanzania. Because of their small size they are not always immediately noticeable. However because of the large diversity in...
Smiths Swimming Crab (Charybdis smithii)

Smith’s Swimming Crab- Facts and Photographs

Smith's Swimming Crab (Charybdis smithii) is a very interesting swimming crab that exhibits swarming behavior.  They were first found in False Bay near Capetown in South Africa in 1838 when a large swarm wa...
Rusty Guard Crab (Trapezia-bidentata) is also known as the Two Tooth Guard Crab

Rusty Guard Crab- Facts and Photographs

The Rusty Guard Crab (Trapezia bidentata) is also known as the Two Tooth Guard Crab. They  spend their entire adult lives living between the branches of corals of the Pocillopora and Acropora families.  The...