Fish

zebra lionfish

Zebra Lionfish in Dar es Salaam

A zebra lionfish (Dendrochirus zebra), also known as a dwarf lionfish, rests on a barrel sponge (Xestospongia testudinaria) off the coast of Dar es Salaam, Tanzania. Lionfish have venomous spines that can b...
moorish idol

Lateral Line of a Moorish Idol

Look closely at this photograph of a moorish idol (Zanclus cornutus) and you will see the lateral line running along the moorish idol's body in the the center...
Ctenochaetus truncatus

A Lucky Tang

A spotted bristletooth tang (Ctenochaetus truncatus) swims across the inside reef off the coast of Bongoyo Island in Dar es Salaam. These fish start out their lives as bright yellow, and as they age they da...

Cow Fish

A thornspine cow fish (Lactoria fornasini) pouts at the camera, box fish may seem helpless and vulnerable, but they have the ability to secrete a poisonous mucus in the water when threatened. Also, their ex...
barracuda

Barracuda Shoal in Borneo

A shoal of juvenile great barracuda (Sphyraena barracuda) swim across the top of the reef in Mabal Kapalai, Borneo. Great barracuda can grow over 6 feet (1.8 m) long, and are vicious predators, preying main...
Bolbometopon muricatum

Shoal of Bumphead Parrotfish

A shoal of curious bumphead parrotfish (Bolbometopon muricatum) approach me out of curiosity. The largest of all the parrotfish growing up to 1.5 meters, these fish have been heavily exploited and are sough...

Copperband Butterflyfish

A copperband butterflyfish (Chelmon rostratus) hides under an overhang at night, sleeping upside down. Many reef fish particularly the angels and butterflyfish seem quite at home upside down under a ledge o...
Amphiprion ocellaris

Nemo Clownfish

A common clownfish (Amphiprion ocellaris) huddles in its anenome home. Made famous by the Pixar film, Finding Nemo, these clownfish are popular with aquarists. Most aquarium clownfish these days are captive...

Massive Potato Bass

A massive potato bass (Epinephelus tukula) which is habituated to human contact allows a scuba diver to approach in close proximity. Larger Potato bass...

Wookiee Crossed with a Toad

// Looking like a cross between Wookiee from Star Wars and a toad, the striated frogfish (Antennarius striatus) does not feature very highly in the beauty stakes. They do however have the ability to ch...

Chillin Like a Villain

A tasseled scorpionfish (Scorpaenopsis oxycephala) 'chillin like a villian' atop a coral reef and surrounded with lots of options for lunch. Photo taken scuba diving in Dar es Salaam with a Sony DSC-RX100M ...
Rhynchocinetes durbanensis

Preparing to Chow Down

A camel shrimp (Rhynchocinetes durbanensis), also known as a dancing shrimp, prepares to chow down on a flatworm in Dar es Salaam. Shrimp eat whatever they can find on the reef; worms, fish, shellfish, mud ...
Pomacanthus semicirculatus

Koran Angelfish-Facts and Photographs

The Koran angelfish, blue angelfish or semicircle angelfish (Pomacanthus Semicirculatus) is a commonly seen fish on coral reefs in East Africa. They range from East Africa to as far south as the rocky shore...
Acanthuridae

Surgeonfish at Jena Reef

Two reasonably sized surgeonfish, photographed while scuba diving at Jena Reef, off the coast of Mafia Island in Tanzania. The distinctive characteristic of this fish is the scalpel-like spines, one or more...

Melon Butterflyfish

A melon butterflyfish (Chaetodon trifasciatus) on a reef off the coast of Dar es Salaam. Melon butterflyfish are found in the Indian Ocean from East Africa to Western Java. The monogamous adults usually swi...

Triggerfish at Flourishing Reef

An orange-lined triggerfish (Balistapus undulatus) feeds on algae and hard coral tips at a flourishing reef off the coast of Mafia Island. Orange-lined triggerfish...

Headshot of a Whale Shark

Headshot of a whale shark (Rhincodon typus), photographed while snorkeling off the coast of Mafia Island in Tanzania. Whale sharks are the biggest sharks and the biggest fish in the world...
whitespotted boxfish

Whitespotted Boxfish

A whitespotted boxfish (Ostracion meleagris), photographed while scuba diving on a reef in Dar es Salaam. You can tell that is a female due to the black body and white spots. The male whitespotted boxfish h...
Whale Shark Mafia Island

Feeding Time!

A whale shark feeding on microscopic planktons off the coast of Mafia Island. It's hard to believe that a fish can grow this large without eating other large fish...
Canthigaster valentini

A Toxic Saddled Puffer

A saddled puffer (Canthigaster valentin), also known as the valentinni's sharpnose puffer or black saddled toby, photographed while scuba diving off the coast of Dar es Salaam. Saddled puffers inhabit rocky...
Whale Shark

Tailing a Whale Shark

A snorkeler "tailing" an ambiguous whale shark off the coast of Mafia Island in Tanzania. The whale shark's tail is about as long as the height of a person, with the overall...
Boxfish

Stunning Boxfish

A stunning whitespotted boxfish (Ostracion meleagris), photographed while scuba diving on a reef in Dar es Salaam. You can tell that is a female due to the black body and white spots. The male whitespotted ...

Goldtail Angelfish

A goldtail angelfish (Pomacanthus chrysurus), also known as the ear spot angelfish, photographed while scuba diving at Jena Reef off the coast of Mafia Island. Like other angelfish, the goldtail angelfish i...
Whale Shark Mafia Island

Gentile Giant

A whale shark, also known as the "gentile giant" of the sea, due to it's massive size and indifference towards humans. Photo taken off the coast of Mafia Island. See more at Whale Shark Excursion....
Clownfish

Family of Allard’s Clownfish

A family of allard's clownfish (Amphiprion allardi) in their anemone home, with mom in the center, dad to the right and the three young ones, slightly lighter in color...