Tuesday, July 27, 2010

Chromis viridis

Image: © Richard Ling
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Scientific Name: Chromis viridis
Species Authority: Cuvier, 1830
Family: Pomacentridae
Common Name: Blue Green Damselfish, Blue Green Chromis, Green Chromis, grünes Schwalbenschwänzchen (DE)
Distribution:Indo-Pacific: Red Sea to the Line, Marquesan, and Tuamoto islands, north to the Ryukyu Islands, south to New Caledonia.
Environment: Reef-associated; non-migratory; marine; depth range 10 to 12 meters. Found in large aggregations above thickets of branching Acropora corals in sheltered areas such as subtidal reef flats and lagoons.
Reef Safe: Yes
Minimum Tank Size: 150 liters - Preferrably larger.
Tank Set-up: Marine aquarium with corals, live rocks / rocks, macroalgae. Provide appropriate shelter / hiding places and enough room to swim.
Water Region: No specific level.
Lighting: Strong lighting but should be subject to a diurnal cycle.
Water Flow: Normal flow found in reef tanks or fish only tanks.
Size:8 to 10 cm
Lifespan: 8 to 15 years
Diet: Omnivore. In the wild, they are mainly phytoplankton feeders. Provide a varied diet consisting of live food, meaty items, live food, spirulina / herbivore flakes, and frozen preparations.
Temperament: Peaceful. Very active and relatively peaceful but may exhibit aggressions on territories and during spawning. Commonly kept long term, in small schools (6 or more specimen).
Care Level:Easy
Resilience: High, minimum population doubling time less than 15 months
Reproduction: Egg depositor. Breeding is done on sand and rubble. Males prepare nest for spawning which is shared with several females. Large number of eggs spawned hatching in 2-3 days. Males guard the nest ventilating fertilized egg with their caudal fins and feeding on those which do not hatch.
Gender: Males will develop a yellowish hue when ready to breed.
Special Requirement/s: Feed frequently, at least twice per day. Vitamin supplements or vitamin-enriched foods may help to preserve their bright color. If you want to keep them in a small shoal, add them all at the same time and let them establish some sort of pecking order.
Red List Status:Not Evaluated
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Specific Gravity: 1.020 to 1.025
Temperature: 24°C to 27°C
pH: 8.1 to 8.4
Angelfish (Dwarf)Groupers
Angelfish (Large)Grunts / Sweetlips
BlennyLionfish / Scorpionfish
CardinalsPuffers / Porcupines
ChromisSeahorse / Pipefish
ClownfishSharks / Rays
DartfishTangs / Surgeons
EelsWrasse (Reef Safe)
Filefish Wrasse (FO/FOWLR)
Foxface / RabbitfishCorals
With Caution
Not Compatible
Encyclopedia of Life (http://www.eol.org)
Fishbase.org (http://www.fishbase.org)
Fishlore.com (http://www.fishlore.com)
Pet Education (http://www.peteducation.com)
Wikimedia Commons (http://commons.wikimedia.org)
Meerwasser-Lexikon (http://www.meerwasser-lexikon.de)
Baensch Marine Atlas
The New Marine Aquarium (Michael S. Paletta)

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