Crustaceans & Shellfish

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 ...
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...
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 ...
map cowry Leporicypraea mappa

The Map Cowrie-Facts and Photographs

The Map cowrie (Leporicypraea mappa) is one of the larger species of cowrie found in Tanzania. They are marine snails in the family Cypraeidae. They are nocturnal and far more reclusive than the other large...
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...
Red helmet shell Cypraecassis rufa is also known as the Bullmouth shell and as the Cameo shell

Red Helmet Shell – Facts and Photographs

The Red helmet shell Cypraecassis rufa is also known as the Bullmouth shell and as the Cameo shell. Large specimens such as those in these images are now very rare due to their collection for sale to the ca...
Harlequin Shrimp (Hymenocera elegans)

Harlequin Shrimp-Facts and Photographs

The Harlequin shrimp (Hymenocera picta) is one of the more colourful and ornate shrimps around. Their ornate specialised mouth parts and sensory organs elicit a second look, along with leaving one wondering...
Marbled shrimp ( Saron marmoratus )

Marbled Shrimp-Facts and Photographs

The Marbled shrimp ( Saron marmoratus ) is also known as the Saron Shrimp, Eyespot Shrimp or Carid Shrimp. They are rather ungainly looking shrimp with a fairly long rostrum. Their hairy looking  backs and ...
Textile cone Conus textile is also known as the cloth of gold cone

Stinging Sea Creatures-Textile Cone Shell

, The Textile cone shell Conus textile is also known as the cloth of gold cone shell. As with all the cone shells, they are carnivorous and predatory, preying on other mollusks.  In order to quickly disable ...
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...
ornate spiny lobster Panulirus ornatus

Ornate Spiny Lobster – Facts and Photographs

,be The Ornate spiny lobster, Panulirus ornatus is also known as the Tropical rock lobster and the Ornate tropical rock lobster . They are among the largest of the Panuliris lobsters and are greatly favored ...
Durban Dancing Shrimp - Rhynchocinetes durbanensis

Durban Dancing Shrimp- Facts and Photographs

The Durban Dancing Shrimp (Rhynchocinetes durbanensis) is also known as the camel shrimp, camelback shrimp, candy shrimp and the hingebeak prawn.  They obtain the dancing part of their  name from the sidewa...
bigfin reef squid or oval squid Sepioteuthis lessoniana

Bigfin Reef Squid- Facts Photographs and Video

The Bigfin reef squid, (Sepioteuthis lessoniana) is also known as the Oval squid. They obtain their name from the fin which almost completely circles their body.  This gives them a superficial resemblance t...
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...