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Walking Shark (Hemiscyllium halmahera)

(© CI/photo by Mark Erdmann)

The Walking Shark or Hemiscyllium halmahera is a newly discovered species from Indonesia. Found off the remote eastern Indonesian island of Halmahera, this is the third species of walking shark in the past six years to be discovered in eastern Indonesia. These sharks will use their fins to “walk” across the ocean floor, searching for food in the darkness of night. This species is harmless to humans and can grow to about 30" (76cm) in length. You can check out some underwater footage of this shark walking in the video below.


Little more is know about this new species. If you have any additional information about the Walking Shark please leave us a comment below.


Hawaiian Dascyllus (Dascyllus albisella)


The Hawaiian Dascyllus or Dascyllus albisella is one of the many different salt water fish that is native only to the islands of Hawaii. The species of Damselfish is sometimes called the Hawaiian Domino Damselfish, and is found in the reefs surrounding the Hawaiian islands. When these fish are young they have a much different appearance then once they are older. They start out with a bright white spot on each side of the fish with a black body that fades to grey like the one pictured above. As if that wasn't enough, the males of this species will also turn almost entirely white during the spawning process.

These fish can grow to about 5" (13cm) and feed on crabs, shrimp larvae, copepods and zooplankton.  You can check out the Dawaiian Dascyllus underwater around some corals in the video below...


If you have any additional information about the Hawaiian Dascyllus please leave us a comment.


Adolfo's Catfish (Corydoras adolfoi)


The Adolfo's catfish or Corydoras adolfoi is a species of freshwater fish that often makes its way in the aquarium trade. This tropical catfish is not very large, only growing to lengths of about 2.2" (5.7cm). They are part of the Callichthyidae family, and first originated in South America, specifically Brazil.  They have a silver body with a black band near the base of the caudal fin and over the eye.

One of the reasons they are so popular in the aquarium trade is their ability to breed in captivity. Simply provide them with a plant or stone for them to attach their eggs to and wait. It only takes about 4 days after the eggs are laid for the fry to hatch. Like other species of Catfish, they are also good at keeping the bottom of the tank clean.  This fish are sometimes called Adolfo's Cory and require a 25 gallon tank with the following water conditions, 70-79F, 6.0-7.5ph.  They are a peaceful community fish that is considered to be very easy to take care of.  You can check out the Adolfo's Catfish in an aquarium in the video below.

 If you have any additional information about the Adolfo's Catfish please leave us a comment below.


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