Pomacentrus caeruleus POMCAE-030195-BALPAU-001

This entry was posted on Wednesday, March 1st, 1995 and is filed under Damselfishes, Spawning Reports.

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:POMCAE-030195-BALPAU-001

Date received: 3/1/95

Identification: Pomacentrus caeruleus

Geographic origin: Red Sea


Taxonomy: (after I.C.Z.N.)

Kingdom Animalia

Phylum Chordata Subphylum Vertebrata

Class Osteichthyes Subclass Actinopterygii Infraclass Teleostei Superorder Acanthopterygii

Order Perciformes Suborder Percoidei

Family Pomacentridae

Genus Pomacentrus

Species caeruleus


Duration male(yr): 7.0

Size male (mm): 38

Duration female (yr): 7.0

Size female (mm): 32

Broodstock notes: 5 of these fish are housed in a reef type tank with other fishes and invertebrates

Physical differences: Male is larger and all fins and tail are blue. Female has mostly clear fins. Male is much more territorial

Adult diet: Blackworms, sushi, nori, flake food, Blackworms will bring fish to breeding condition in 7 – 10 days. Fed once per day if breeding.

Pre-spawning activity: Male constantly chases female. Male always makes nest in empty barnacle or bottle and tries to get female to follow into nest.

Time spawning began: night Area spawning occurred: in barnacle shell or bottle

Frequency of spawning: 7 weeks

Egg description: Attached to inside of shell. White with reddish “T”

Approximate quantity:~ 500 Size: 1 mm

Egg changes / development: turn clear in 6 hours

Incubation period: 36 hours

Time hatching occurred: AM

Size of hatching larvae:1 mm (?)

Yolk sac present?: yes

Newly hatched appearance: Free swimming as soon as hatched NOT attracted to light

Transfer / removal method: Sometimes entire nest removed, sometimes not

Spawning tank size (liter): 375

Sides of tank covered? No

Lighting & photoperiod: Fluorescent 16 hours

Filtration: Wet/dry, skimmer, ozone, RUGF, carbon, natural seawater

Additives and dosages: calcium 6 ml/wk, strontium 3 ml/wk. Iodine

Water temperature (F): 72

Specific gravity: 1.021

pH: 8.4

Nitrate: 15 ppm


First food offered: greenwater

Development description: no long term survival


Rearing tank size (liter): 7

Lighting & photoperiod: ambient

Filtration: none, natural seawater

Additives and dosages: none

Water temperature (F): 72

Specific gravity: 1.020

pH: 8.4

Nitrate: not indicated


Comments: Heater malfunction elevated temperature to 85F, after which spawning began. Male guarded the eggs until hatching. Unsure if male would eat young.

Original description: information presently unavailable

About this report: Information contained in this report is taken from submitted observations. Taxonomy, Synonomy, Original description , Word origin and Suggested reading are provided by member(s) of The Breeder’s Registry staff. Information is presented under the belief that it is accurate. If you have information in addition to, or contrary to, that which is presented you are encouraged to contact The Breeder’s Registry. Permission is granted for “one-time” personal use. Reproduction as distributed or accessible media is prohibited without prior written permission. Copyright &copy 1995 The Breeder’s Registry. All rights reserved.

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