Invertebrates

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...

Unidentified Eel Species

Can anyone identify this Unidentified Eel Species.  Only seen so far on the Tanzanian coast around Dar es Salaam. In some 600 dives I have seen five so they are pretty rare. Only once have I seen one out in...
Beaded Anemone, Heteractis aurora is also known as the Aurora anemone or Beaded sand Anemone

Beaded Anemone – Facts and Photographs

The Beaded Anemone, Heteractis aurora is also known as the Aurora anemone or Beaded Sand Anemone . They obtain their name from the swellings on the tentacles which give the impression of strings of beads. T...
Maldives damselfish (Amblyglyphidodon indicus)

Unidentified Fish species

This unidentified Fish Species has been identified as Amblyglyphidodon indicus thanks for the help Can anyone identify this Damselfish ?  Only seen so far on the Tanzanian coast from Songo Songo Island to Da...
Goniobranchus geminus previously known as Chromodoris geminus also known as the Gem Nudibranch

Goniobranchus geminus-Facts and Photographs

Goniobranchus geminus was previously known as Chromodoris geminus until a DNA study proved otherwise. They are commonly known as the Gem Nudibranch. They are dorid nudibranch's. As with other nudibranchs, t...
Unidentified

Unidentified species

Can anyone identify this undefined species (organism)? It was approximately 6 cm in length, photographed at 6 to 8 meters in depth at night off the coast of Tanzania. On the one hand it looks like a flatworm, b...

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 ...
Marine Flatworms in the Turbellaria sub division of Platyhelminthes

Marine Flatworms-Facts-Photographs and Video

Marine Platyhelminthes or Marine Flatworms as they are commonly known are often extremely colorful creatures. The brightly colored species are easy to spot while diving and if one is lucky, one can see them...
Sea Urchin

Sea Urchin Spines- How to deal with them

Urchins can be quite attractive looking as can be seen in the images but they are prickly and many have poisons on their spines. Whether one is diving or involved in other recreational activities around the...
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...

Unidentified species

After photographing an Anemone Hermit crab species (Dardanus pedunculatus) I noticed a large number of Amphipods ( I think they are Amphipods) in the image on the back of the crab.  Some are in the tentacles of...
Gorgonian weapper Nemanthus species

Gorgonian Wrapper – Facts and Photographs

The Gorgonian wrapper (Nemanthus species) is also known as the Tiger Anemone. They are a species of communal anemones that are usually found wrapped around Gorgonian corals and Whip corals. Occasionally the...
Tube Anemone

Tube Anemone – Facts and Photographs

Tube Anemone's are not anemones per se and are somewhere in-between anemones and corals. They are in the sub class Ceriantharia and live inside long tubes which go into the substrate.  In Tanzanian waters t...

Images

A Two-Spot Wrasse (images) Oxycheilinus bimaculatus also known as the Little Maori wrasse and Two-spot Maori wrasse. Taken on a  dive on Big T reef off Dar es Salaam, Tanzania at 12 meters. I saw the mal...
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 ...