Amphiprion frenatus AMPFRE-011497-HIGJOE-005

This entry was posted on Tuesday, January 14th, 1997 and is filed under Clownfishes, 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: AMPFRE-011497-HIGJOE-005

Date received: 1/14/97

Identification: Amphiprion frenatus (Brevoort, 1856)

Geographic origin: Pacific (Malaysia northwards towards Japan)


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

Kingdom Animalia

Phylum Chordata Subphylum Vertebrata

Class Osteichthyes

Order Perciformes Superorder Teleostei

Family Pomacentridae

Genus Amphiprion

Species frenatus (Brevoort, 1856)


Description: One of the larger species of anemonefish attaining a maximum length of 140 mm. Females larger than males (typical) with red to blackish coloration on most of body with a single vertical white bar behind the eye . Male is generally redder. Juveniles may have 2 – 3 white bars. Commonly associated with the anemone Entacmaea quadricolor (Rüppell & Leuckart, 1828).


Duration male(yr): not indicated

Size male (mm): 76

Duration female (yr): not indicated

Size female (mm): 137

Broodstock notes: Very hardy. 2 pairs

Physical differences: female is larger than male

Adult diet: Formula One®, squid, smelt roe, spirulina flake. Fed 4 times per day.

Pre-spawning activity: Typical for clownfish

Time spawning began: afternoon to evening

Area spawning occurred: surface of ceramic tiles (20 x 20 cm)

Frequency of spawning: bi-monthly

Egg description: 52 mm diameter mass

Approximate quantity: not indicated

Size: ~ 2 mm

Egg changes / development: Turned dark reddish/brown after day 2

Incubation period: 9 days

Time hatching occurred: after lights out

Size of hatching larvae: ~ 4 mm

Yolk sac present?: no

Newly hatched appearance: not indicated

Transfer / removal method: sometimes moved, kept nest (tile) submerged  


Spawning tank size (liter): 110

Sides of tank covered? Yes, blue

Lighting & photo period: 2 – HO fluorescent daylight bulbs, (16 hours).

Filtration: Central Wet / Dry, skimmer, UV sterilizer. 1500 GPH

Additives and dosages: Instant Ocean® ASW 25% monthly, Iodine, 3 ml / week

Water temperature (F): 78 – 84 (average 80)

Specific gravity: 1.018

pH: 8.0

Nitrate: 20 – 70 ppm


Fry development / changes: Well developed at hatching. Metamorphosis at 12 days.

First food offered: rotifers, added twice per day

Second food offered: Artemia, day 3

Survival 4th week: 75%

Development description: Good long term survival.


Rearing tank size (liter): 75

Sides of tank covered? Yes, black

Lighting & photo period: 2 UltraLume 5000®, (16 hours)

Filtration: Central system (as above).

Additives and dosages: Selcon®. Microalgae enough to cloud water a light green

Water temperature (F): 78 – 84 (average 80)

Specific gravity: 1.018

pH: 8.0

Nitrate: 20 – 70 ppm


Comments: Easiest clownfish to raise.

Original description: Brevoort 1856, Perry Exped. v. 2 (fig. 4) from specimens collected at Okinawa, Ryukyu Is., Japan. Based on a drawing. Validated by Allen 1991. Later described as Prochilus polylepis, by Bleeker 1877 in Versl. Akad. Amsterdam (Ser. 2) v. 11 from specimens
collected at Amboina, in southeast New Guinea. Synonym of Amphiprion frenatus.

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 frenatus is from the Latin root fren, -a, -at, =um, meaning bridle, probably in reference to the single head stripe.

Suggested Reading:

Hoff, Frank H., Conditioning, Spawning and rearing of Fish with Emphasis on Marine
Clownfish
, 1996, Aquaculture Consultants, Inc., 33418 Old Saint Joe Road, Dade City, FL
33525, USA, softbound, 212 pages.

Fautine, Daphine G. and Allen, Gerald R., Anemone Fishes and their Host Sea Anemones, 1994,
Tetra-Press, Tetra Werke, Dr. rer. Nat. Ulrich Baensch GmbH, P. O. Box 1580, D-49304 Mella,
Germany. Distributed in USA by TetraSales (Division of Warner Lambert), 3001 Commerce
Street, Blacksburg, VA 24060-6671, USA. WL-Code: 16088. ISBN 1-56465-118-5, hardbound,
157 pages.

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. 1999

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