Dwarf Parrot Wrasse (Cirrhilabrus rubriventralis) Family: Labridae
 
If I was asked to name one group of fish which featured a wealth of attributes such as beautiful coloration, tireless activity from dawn to dusk, ease of feeding, a generally peaceful nature, compatibility with invertebrates and disease resistance, I would lay odds that the questioner would not be expecting a realistic reply.
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Harlequin Tusk Fish (Choerodon fasciatus) The harlequin tusk (Choerodon fasciatus) belongs to the family of wrasses. It has orange mottled bands. Each band is etched by delicate blue-violet ribbons. Anteriorly, between the orange bands is silvery-white, turning to dark grey-black posteriorly. With big protruding tiger-like fangs, the tusk looks very menacing indeed, capable of doing harm to other tank mates.

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Clown Tang | Acanthurus lineatusThe Clown Tang (Acanthurus lineatus) is one of the most striking members of the Tangs / Surgeons family (Acanthuridae), being one of the most aggressive and can be challenging to keep and care for. It is also known in the trade as the Lined Surgeon and Pyjama Tang.

Sooner or later as a reef tank hobbyist you're going to want one of these beauties. They are reef safe and live harmoniously with corals and invertebrates.

Marine Fish - Tangs & Surgeonfish

Clown Trigger Fish

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. Such displays are normally the province of the public aquarium, but within the confines of a domestic setting the whole thing can be replicated on a somewhat smaller scale with equally stunning results.

General Saltwater - Big Fish & Aquariums

Blood Shrimps (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 considerable stress on fish and/or invertebrates. They are also extremely restricting for livestock and consequently prone to overstocking, especially where fish are involved.

Having said that, there is a way that the marine enthusiast can set-up a 'micro' marine aquarium housing only shrimps! Over recent years, I have been experimenting with 3-5 gallon marine aquaria containing various species of tropical and temperate shrimp and crabs. I am pleased to report that all tanks were successful and no livestock was lost.

Marine Invertebrates - Shrimps

Cyphotilapia frontosa A pair of Cyphotilapia frontosa from the authors aquarium.

One of the most beautiful and distinctive Cichlids of Lake Tanganyika has to be C. frontosa. There are two colour morphs of this species, a Berundi morph, which has six vertical bars and a Tanzanian morph, which has seven or even eight bars when they are young, although in my experience I have only ever encountered the Berundi morph. The males develop a huge lump of fat on the top of its head making this a very distinctive occupant to any aquarium.

Freshwater Fish - Cichlids

Random Aquarium Topics

Water QualityWater Changes and Its Effect to Fishes
Peter Hartono

Water changes are important aspects of routine tank maintenance. Most aquarists know regular water changes should be undertaken, but not everyone does or knows how to do it correctly.


Water QualityCloudy Aquarium Water: Causes and Solutions
Peter Hartono
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Having cloudy water aquarium has surely been experienced by hobbyists at one time or another. This phenomenon can take place in both an established or a new aquarium.

The earliest sign that there is something wrong in your tank can be detected by looking at the water. In a well-balanced aquatic ecosystem, the water should be clear. If the water appears to be cloudy, this should tell you that something is not working as it should be.


ConservationCoral Reefs An Endangered Ecosystem
The Coral Reef Alliance

Coral reefs are among the world's most fragile and endangered ecosystems. They host an extraordinary variety of marine plants and animals and are one of the most biologically diverse ecosystems in the world. They are a significant source of food to low-income coastal communities, a source of income and employment through tourism and marine recreation, and offer countless other benefits to humans, including unique chemicals with medicinal properties. Despite this, coral reefs around the world are rapidly being degraded by a number of human activities including over-fishing, coastal developmen [ ... ]


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