Umbilical Egg Cowrie (Calpurnus verrucosus)

Umbilical Egg Cowrie – Facts and Photographs

The Umbilical Egg Cowrie, (Calpurnus verrucosus) also known as the Verruca Cowrie or  Little Egg Cowrie is a marine gastropod mollusk in the family Ovulidae, known as the false cowries or allied cowries. Te...
egg cowrie, (Ovula ovum)

Egg Cowrie – Facts and Photographs

  The egg cowrie, (Ovula ovum) is a marine gastropod mollusk in the family Ovulidae, known as the false cowries or allied cowries. Technically they are not cowries per se but because of their simila...
tiger cowrie (Cypraea tigris)

The Tiger Cowrie – Facts and Photographs

The tiger cowrie (Cypraea tigris) is one of the larger species of cowrie. They are marine snails in the family Cypraeidae. They are an extremely attractive sight as they move across the reef. APPEARANCE R...
Cuttlefish

Fluorescing Cuttlefish

Here a cuttlefish (Sepiida) fluoresces in dive lights during a scuba dive in Dar es Salaam. Cuttlefish are sometimes referred to as the "chameleons of the sea" because of their remarkable ability to rapidly...
marine biology

Cuttlefish in Dar es Salaam

A cuttlefish (Sepiida) photographed on the sea floor while scuba diving in Dar es Salaam, Tanzania. Cuttlefish, although color-blind, are able to to rapidly alter their skin color, pattern as well as the sh...
Scuba Diving

Cuttlefish at Octopus Wall

A cuttlefish at Octopus Wall in Dar es Salaam, Tanzania, changing colors and shape shifting as it whizzed past scuba divers. Special cells called chromatophores located in the outer skin layers contain colo...
Cuttlefish

Cuttlefish

Cuttlefish, despite their name, are not fish but mollusks. They belong to the class, Cephalopoda, which also includes squid, octopuses, and nautiluses. They have large w-shaped pupils, eight arms, and two te...
Cuttlefish

Cuttlefish

Cuttlefish are marine mollusks rather than fish as their name misleadingly suggests with some rather unusual abilities. They have an adaptive camouflage, a sophisticated liquid gas buoyancy control mechanis...
baby-cuttlefish-sm

Baby Cuttlefish

A super cute baby cuttlefish, known as a "cuttlet", was spotted during a shore dive in Chole Bay. The hatchling is 6-8 days old and is only as big as an adult cuttle's eye....