Ridged swimming crab (Charybdis natator) is also known as the wrinkled swimming crab or rock crab

Ridged Swimming Crab – Facts and Photographs

The Ridged swimming crab (Charybdis natator) is also known as the wrinkled swimming crab or rock crab. Because of the ridges on their back they are relatively easy to identify. There are two subspecies, the...
The Convex crab (Carpilius convexus)

Convex Reef Crab- Facts and Photographs

The Convex reef crab (Carpilius convexus) is also known as the Round-back Coral Crab. They are fairly common at night in the waters off Dar es Salaam but are seldom seen out during the day. Large specimens ...
Hairy Coral Crab (Cymo andreossyi) is also known as the Furry Coral Crab

Hairy Coral Crab- Facts and Photographs

The Hairy Coral Crab (Cymo andreossyi) is also known as the Furry Coral Crab . Being small and well camouflaged they are difficult to spot and are probably best found at night when their eyes reflect light ...
Olive Purse Crab, Leucosia pubescens

Olive Purse Crab- Facts and Photographs

The Olive Purse Crab, Leucosia pubescens does not seem to be common in Tanzanian waters and indeed does not seem to be recorded here. Hopefully the identification is correct. They are decapod crustaceans...
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 ...
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...
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...
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...

Decorator Crab- Facts and Photographs

Decorator crabs belong to the superfamily Majoidea and are also commonly known as Spider Crabs.  They obtain their name from their habit of decorating their bodies with various plants and animals. This can ...
Red Spotted Guard Crab, (Trapezia rufopunctata) is also known as the Rust Spotted Guard Crab

Rust Spotted Guard Crab- Facts and Photographs

The Rust Spotted Guard Crab, (Trapezia rufopunctata) is also known as the Red Spotted Guard Crab in some areas. They  spend their entire lives living between the branches of corals of the Pocillopora and Ac...
Porcelain Anemone Crab, Neopetrolisthes maculosus

Porcelain Anemone Crab- Facts and Photographs

The Porcelain Anemone Crab, Neopetrolisthes maculatus is also known as the Spotted porcelain crab. They are decapod crustaceans in the Porcellanidae family. Although they resemble true crabs they are actual...
anemone hermit crab, Dardanus pedunculatus

Anemone Hermit Crab- Facts and Photographs

The Anemone hermit crab, Dardanus pedunculatus has a mutualistic symbiotic relationship with the anemone Calliactis polypus. The anemones are collected by the crab and placed on its shell. The Anemone Hermi...
Cryptic Sponge crab Cryptodromiopsis spongiosa

Sponge Crab- Facts and Photographs

The Sponge crab Lauridromia dehaani is not often seen due to their nocturnal habits. During the day they hide in crevices or holes and are usually only seen at night.  As their name implies they decorate th...
smiths xanthid Eriphia smithiii

Smiths Xanthid – Facts and Photographs

Smith's xanthid Eriphia smithii is a commonly found crab on the East coast of Africa. Because of their large nippers and red colouration they are easily recognisable. APPEARANCE Smith's xanthid  grow to a...
Mole Crabs- Sea Lice-Genus Emerita

Mole Crabs – Facts and Photographs

Mole crabs of the genus Emerita, 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. They spend the majority of t...
Pink ghost crab Ocypode ryderi

Pink Ghost Crab

A pink ghost crab (Ocypode ryderi), rescued from a nearby swimming pool and returned to the beach, puts on his best threatening behavior to try and scare me away. The so called ghost crabs are nocturnal sca...
natal lightfoot crab (Grapsus grapsus tenulcrustatus)

Natal Lightfoot Crab Facts and Photographs

A Natal Lightfoot crab (Grapsus grapsus tenulcrustatus) shines in the night from the light of my flash, freshly emerged onto the rocks from a dousing wave. They are similar in looks to the Flat-bodied Crab ...
flat-bodied crab (Percnon planissimum)

The Flat-Bodied Crab- Facts and Photographs

The Flat-bodied Crab (Percnon planissimum) is also known as the Flat Rock Crab and the Sally Lightfoot Crab and the Nimble Spray Crab. They are common inhabitants of the shallows on the East African coast and...
Hermit Crab

Giant Hermit Crab

A furry, giant red hermit crab, known as the white-spotted hermit crab or spotted hermit crab (Dardanus megistos), photographed on a coral reef during a night dive in Dar es Salaam, Tanzania. These crabs ar...
Hermit Crab

Hermit Crab

It takes a swift break from his scurry as I approach, the fancy face and frisked up forearms, brave and motionless for the camera. In the shallows of a glinting grey ocean, the gleaming creature under it's ...