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: AMPCLA-030195-DIMROB-004 Date received: 3/1/95

Identification: Amphiprion clarkii (Bennett, 1830)

Geographic origin: Indo-pacific

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

Duration male(yr): 4 Size male (mm): 76 Duration female 1 (yr): 4 Size female 1 (mm): 102

Duration female 2 (yr): Size female 2 (mm):

Duration female 3 (yr): Size female 3 (mm):

Broodstock notes: Typical for clownfish

Physical differences: Female is larger than male

Adult diet: Fresh and frozen shrimp, scallops, Artemia, flake foods, Formula One. Fed 3-4 times daily

Pre-spawning activity: Typical

Time spawning began: 1700-1830 Area spawning occurred: ceramic tiles

Frequency of spawning: 14 – 20 days

Egg description: oval mass, 25 – 52 mm

Egg changes / development: Color change: pink -> brown -> clear

Incubation period: Time hatching occurred: night

Size of hatching larvae: Yolk sac present?: yes

Spawning tank size (liter): 225

Sides of tank covered? No

Lighting & photoperiod: 2 – 40 watt Daylight flourescent, 16 hours

Filtration: wet/dry. Instant Ocean @ 10% weekly water cahnges

Additives and dosages: Selcon, VitaBoost, VitaChem (alternating with VitaBoost), added to food

Water temperature (F): 78-82 Specific gravity: 1.021 pH: 8.0 Nitrate: 0 – 50 ppm

Fry development / changes: Metamorphosis is temperature dependent, but as early as 7 days, although
most at 10 days

First food offered: rotifers

Second food offered: Artemia

Survival 1st week(%): 2nd week: 3rd week: 4th week: 50%

Development description: long term survival is 50%

Rearing tank size (liter) Sides of tank covered? Yes, green/black

Lighting & photoperiod: Incandescent 24 hours until day 21

Filtration: none, airstone, 50% water changes daily

Additives and dosages: Selcon, microalgae, added daily, enough to cloud water “light green”

Water temperature (F): Specific gravity: 1.021 pH: 8.0 Nitrate:

Comments: lights on adult tank ~65mm above surface. Changed as needed

Original description: Originally described by Bennett 1830 as Anthias clarkii, in Fishes of
Ceylon First edition Pl. 29, from specimens collected at the south coast of Sri Lanka. Validated
as Amphiprion clarkii by Allen 1991. Described by Cuvier in 1830 as Amphiprion xanthurus, in
Cuvier & Valenciennes 1830, in Hist. Nat. Poiss. v. 5. From specimens collected at. Mauritius.
Described by Valenciennes 1833 in Cuvier & Valenciennes, Hist. Nat. Poiss. v. 9.

Word origin: Amphiprion is from the Greek roots amph, -I, -o, meaning Around, on both sides;
double, and -prion which means a saw. The genus clarkii is named in honor of Clark.

Suggested Reading:

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 presented you are encouraged
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