Pterapogon kauderni PTEKAU-081500-SHEJAM-004
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Breeder ID: PTEKAU-081500-SHEJAM-004
Date received: 8/15/00
Identification: Pterapogon kauderni Koumans, 1933
Geographic origin: Indonesia
Taxonomy: (after I.C.Z.N)
Description: Silver body with distinct black bars and distinct silver/whitespots.
Length of time in captivity: 2 years
Size male (mm): ~69 mm SL (2.753″)
Size female (mm): ~76 mm SL (3″)
Broodstock notes: Female is more aggressive than male
Physical differences: Female has a “perfect” spoon shape. Male has “spoon” shape with a squared jaw and flat belly
Adult diet: Varied frozen and live food. Fed once per day
Pre-spawning activity: Female chases male in tank- shimmies and shakes
Time spawning began: varies
Area spawning occurred: varies
Frequency of spawning: 28 -32 days
Egg description: mouth brooder, not observed
Approximate quantity: 22 – 42 depending on nutrition
Size: 3 mm
Egg changes / development: red mass in males mouth. Eyes visible around day 15.
Incubation period: 21 – 26 days
Time hatching occurred: 1 hours before lights out or during night
Size of hatching larvae: 7 mm
Yolk sac present? none or slight
Newly hatched appearance: Similar to adults with reduced first dorsal fin. Black and transparent instead of black and white
Spawning tank size (liter): 208 liters (55 gallons)
Sides of tank covered? Yes, back is blue
Lighting & photo period: 2 175 MH 10000K 13 hours. Bulbs changed annually.
Filtration:Live rock, Canister filter, power filter, skimmer. flow rate unknown.
Additives and dosages: occassional kalkwasser. Instan Ocean® 10% monthly. RO water (make-up for evaporation loss)
Specific gravity: 1.024 (hydrometer)
Water temperature (F): 77 – 84\F0F
pH: 8.0 ((test kit)
Nitrate: <10 ppm (test kit)
Calcium: not measured
First food offered: Artemia nauplii accepted immediately, 1 -3 times per day.
Second food offered: Copepods/amphipods at day 7. 1-3 times per day.
Week 1 95%
Week 2 75%
Week 3 70%
Week 4 65%
Average 65% past one month.
Rearing tank size (liter): same as above with divider
Comments: Male only has 3 – 6 days before spawning takes place unless female is removed/separated. This pair has had 6 broods in the past 8 months. However, I only recently started rearing the the past 2 broods (40 total surviving young). Many have been lost in transfer and/or predation.
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