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Size Remarks Tank size Temperature range pH range Water Hardness Brown-Point Shield Skin: Aspidoras fuscoguttatus: 3.8 cm (1.5 in) 30 Gallons: 22–25 °C (72–77 °F) [1] 5.5–6.8 [1] Aspidoras Cory-Cat Pygmy Aspidoras Aspidoras lakoi: 4 cm (1.6 in) [2] 28 Gallons: 22–25 °C (72–77 °F) 6.5-7.5 Sixray corydoras, false corydoras ...
Appearing very much like their close relatives the triggerfish, filefish are rhomboid-shaped, with beautifully elaborate cryptic patterns.Deeply keeled bodies give a false impression of size when the fish are viewed facing the flanks.
The following list of marine aquarium fish species commonly available in the aquarium trade is not a completely comprehensive list; certain rare specimens may be available commercially but not yet listed here. A brief section on each, with a link to the page about the particular species is provided along with references for further information.
Many Yangtze fish species have declined drastically and 65 were recognized as threatened in the 2009 Chinese red list. [15] The Chinese paddlefish , once common to the Yangtze River, is one of a number of extinctions to have taken place due to the degradation of the Yangtze, alongside that of the wild Yangtze sturgeon .
The archerfish (also known as spinner fish or archer fish) or Toxotidae are a monotypic family (although some include a second genus) of perciform tropical fish known for their unique predation technique of "shooting down" land-based insects and other small prey with jets of water spit from their specialized mouths.
Hakes are medium-to-large fish averaging from 0.5 to 3.6 kilograms (1 to 8 pounds) in weight, with specimens as large as 27 kg (60 lb). [2] The fish can grow up to 1 metre (3 ft 3 in) in length with a lifespan of as long as 14 years.
The esca of footballfishes vary in size and morphology, to a greater extent than other deep sea anglerfishes. The metamorphosed males have a line of large spines above and behind the upper denticular bone, their eyes are directed to the sides and have moderately sized and they have a large olfactory system with sideways pointing nostrils.