Random Aquarium Topics

Working Together To Keep Coral Reefs Alive

Marine Topics - Conservation

Dear Friends of CORAL,

There is plenty of bad news about coral reefs this year, but here is some good news. After years of work by lots of different organizations and individuals, President Clinton has issued an Executive Order creating the Northwestern Hawaiian Islands Coral Reef Reserve, the single largest nature reserve ever established in the United States.

Majestic/Bluegirdled Angelfish | Euxiphipops navarchus

Marine Fish - Angelfish

Majestic/Bluegirdled Angelfish - Euxiphipops navarchusLike most other marine angelfish this species is another true beauty. One could say that it runs in the family. Adult and juvenile Majestic Angels (Euxiphipops navarchus) also known as the Bluegirdled Angel differ greatly in coloration. This above pictured specimen has begun its transformation into the adult color pattern. A complete juvenile has no orange color at all and the electric blue bands extend into the dorsal fin. The adults are bright orange with many blue dots in the mid-section of the body. The dorsal fin and tail are fireball orange with an iridescent blue border edging. Its face also turns bright orange from below the eye and extending along the gill plates towards the anal fins.

Tropical Marine Blennies

Marine Fish - Blennies
Algae Blenny (Salarius fasciatus) Family: Blennidae

Sooner or later, the serious marine aquarist cannot fail to come upon these endlessly fascinating and endearing group of fishes. Their curious habits and occasional brightly coloured appearance have continued to make them a firm favourite with reef and fish-only keepers alike.

Blennies are found in seas all over the world. They are particularly abundant in tropical, sub-tropical and temperate waters. Indeed, there are over 300 species included in the family Blennidae alone, with another 400 in closely associated genera. The largest rarely exceed 10cm in length and are therefore ideally suited for life in the aquarium. Newcomers will find the majority of specimens an ideal first choice and many can be recommended without hesitation.

Mantis Shrimp - Thumb Splitters

Marine Invertebrates - Shrimps
Mantis Shrimp In the sea a number of animals have earned the reputation of being harmful. Indeed, some denizens, such as sharks, stingrays, scorpionfish, sea snakes, and some jellyfish, can be potentially dangerous to swimmers or divers. In order to survive and reproduce, many sea creatures have evolved protective mechanisms against other predators. Some inject venom through biting or stinging, while others deliver electric shocks. Normally, the potential danger to man is minimal, but even small creatures can inflict severe wounds if mistreated. I learned this painful lesson one summer during a collecting dive in the Coral Sea.

Big Fish for The Marine Aquarium!

Clown Trigger Fish (Balistoides conspicillum) One type of marine aquarium never fails to create a stir, the fish-only tank containing BIG fish! The sight of large slices of brightly coloured piscine flesh cruising around an equally spacious aquarium is enough to make anyone's heart beat a little quicker.


The Micro Shrimp Tank

Blood Shrimp (Lysmata debelius) Most of my regular readers will already be aware that, on the whole, I do not condone small marine tanks; that is, tanks with a nett volume of less than 20 gallons (91 litres). They are usually very unstable as far as water parameters are concerned and subsequently exert...


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