Amphiprion clarkii – AMPCLA-072492-WILJOY-002

This entry was posted on Friday, July 24th, 1992 and is filed under Clownfishes, Spawning Reports.

Breeder ID: AMPCLA-072492-WILJOY-002 Date received: 7/24/92

Identification: Amphiprion clarkii (Bennett, 1830)

Geographic origin: Indo-pacific


Taxonomy: (after I.C.Z.N.)


Duration male(yr): 2.0

Size male (mm): 114

Duration female (yr): 2.0

Size female (mm): 127

Broodstock notes: refer to AMPCLA- 071292- WILJOY- 001. Follow-up report.

Adult diet: Vitamin coated chopped table shrimp (frozen), krill, cuttlefish, Wardley® flakes, VHP®, Formula 1, squid

Pre-spawning activity: Cleaning of several spawning sites

Time spawning began: 1500 – 1700 hr Area spawning occurred: Rock beneath anemone

Frequency of spawning: next spawn 11 days

Egg description: bright yellow

Approximate quantity: not indicated

Size: not indicated

Egg changes / development: Metallic colored on day of hatching

Incubation period: 8 days

Time hatching occurred: 2020 hrs

Size of hatching larvae: 2.8 mm

Newly hatched appearance: Light brown, almost transparent

Transfer / removal method: Larvae recovered with a shallow plastic cup and moved to rearing tank


Spawning tank size (liter): 200

Sides of tank covered? Not indicated

Lighting & photoperiod: 2 – 40 watt fluorescent Ultralumes®, 1 – 40 watt Triton®, 1 – 4 watt actinic

Filtration: UGF, UV, canister

Additives and dosages: 5 drops iodine / day

Water temperature (F): 80

Specific gravity: not indicated

pH: 8.4

Nitrate: high


Fry development / changes: This hatch had high losses; 83 @ day 1; 71 @ day 2. Probable cause lighting or too many rotifers added

First food offered: Rotifers, (Boyd® vitamins in rotifer tank)

Second food offered: Rotifers, cultured on Clorella, Tetraselmus, and Pseudochlorella

Development description: 237 losses week 1. End of 4th week 172 survived. Ammonia detectable on day 7. Added more airstones, water changes using new and from adult tank


Rearing tank size (liter): 37

Sides of tank covered? Yes, black

Lighting & photoperiod: sunlight filtered through towel

Filtration: manual water changes

Additives and dosages: none

Water temperature (F): 80

Specific gravity: 1.020


Comments: Most of hatch transferred to grow-out tank with UGF on 8/22. Sunlight caused larvae to be dark black in color. Hatch on 8/8/92 added to tank with poor results.

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 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. All rights reserved. 2000

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