The Breeder's Registry© Information contained in this report is taken from submitted observations from aquarist unless noted otherwise (see comments). Information may be reproduced providing the Breeder's Registry is cited.
Breeder ID: CENBIC-091093-CQUEST-001 Date received: 9/10/93
Identification:
Kingdom Animalia
Phylum Chordata
Subphylum Vertebrata
Class Osteichthyes
Order Perciformes Superorder Teleostei
Family Pomacanthidae
Genus Centropyge
Species bicolor (Bloch,1787)
Duration male(yr): 2.0 Size male (mm): varies Duration female 1 (yr): 2.0 Size female 1 (mm): varies
Broodstock notes: Combined report from C-Quest indicating 20 pairs which includes C. argi, C. loriculus, and C. tibicen
Physical differences: Male is larger
Adult diet: Fresh seafood 4 times per day
Pre-spawning activity: Chasing in evenings (soaring)
Time spawning began: after dusk Area spawning occurred: water column
Frequency of spawning: nightly Egg description: very small spherical and transparent
Approximate quantity: 100 - 250 Size: not indicated
Incubation period: 24 hours Time hatching occurred: 10:00 PM
Size of hatching larvae: not indicated Yolk sac present?: yes
Newly hatched appearance: Very, very small, long and colorless. Difficult to see
Transfer / removal method: caught in overflow filter bag
Spawning tank size (liter): 75 Sides of tank covered? Yes, black
Lighting & photoperiod: Natural
Filtration: Mechanical, biological, UV, Diatomaceous earth
Additives and dosages: none, natural seawater (filtered)
Water temperature (F): 70 - 95 Specific gravity: 1.024 pH: 8.1 Nitrate: 0 - 0.1 ppm
Fry development / changes: Larvae float on or near surface for first 4 days before feeding
First food offered: diatoms (from gut analysis)
Second food offered:
Survival 1st week(%): 5% 2nd week: 0%
Development description: Coloration shows on day 4. Larvae long and thin. No success beyond 9 days
Comments: No other information provided
Word origin:Centr, -I, -o (Greek). The center; a point, spur. pygm, (Greek) dwarf. The common name "Pygmy" or Dwarf" angel is apparent from the word root pygm. Centro may be in reference to the spine (spur) at the angle (The center) of the preopercle. The genus bicolor indicates that two (bi ) colors are present.
The common name is Bicolor Angelfish (blue and yellow)