Amphiprion frenatus AMPFRE-030195-DIMROB-003

This entry was posted on Wednesday, March 1st, 1995 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-030195-DIMROB-003

Date received: 3/1/95

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): 5+

Size male (mm): 76

Duration female (yr): 5+

Size female (mm): 102

Broodstock notes: Typical clownfish behavior

Physical differences: female is larger than male

Adult diet: Fresh and frozen shrimp, scallops, Artemia, Flake foods, Formula One®. Fed 3 – 4 times per day.

Pre-spawning activity: Typical

Time spawning began: 1300 – 1400 hours

Area spawning occurred: surface of ceramic tiles

Frequency of spawning: monthly

Egg description: oval mass, 25 – 52 mm

Approximate quantity: not indicated

Size: unavailable

Egg changes / development: Color change: pink to brown to clear

Incubation period: “days”

Time hatching occurred: night

Size of hatching larvae: not indicated

Yolk sac present?: yes

Newly hatched appearance: not indicated

Transfer / removal method: not indicated  


Spawning tank size (liter): 90

Sides of tank covered? No

Lighting & photo period: 2 – 40 watt fluorescent daylight bulbs, (16 hours). Bulbs are ~65 mm from surface. Changed as needed.

Filtration: Wet / Dry

Additives and dosages: Instant Ocean ® ASW, changed 10% weekly. Selcon®alternating weekly with Vita-Chemt® by saturating foods.

Water temperature (F): 78 – 82

Specific gravity: 1.021

pH: 8.1

Nitrate: 0 – 50 ppm


Fry development / changes: Metamorphosis is temperature dependent; as early as 7 days but typically 10 days.

First food offered: rotifers

Second food offered: Artemia, day 3

Survival 4th week: 50%

Development description: Long term survival 50%. Two stripes (bars) are developed; head and mid-body. As the fish mature they lose the mid-body bar and retain the head bar.


Rearing tank size (liter): 37

Sides of tank covered? Yes, green/black

Lighting & photo period: Incandescent 24 hours until day 21

Filtration: none, airstone. 50% daily water change.

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

Water temperature (F): 78 – 82

Specific gravity: 1.020

pH: 8.0

Nitrate: 0 – 50 ppm: 


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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