Breeding Journal, Species: Premnas biaculeatus (Gold Stripe Variant)

General
Species:  P. biaculeatus
Social Structure:  male and female
Size of Individuals:  female is approx. 4", male is approx. 2.5"
Age of Individuals:  unknown
Date added to Tank:  Oct. 2010

Broodstock Tank Details
Size of Tank:  10gal plumbed into a 500gal system
Substrate Details:  bare bottom
Filtration Details:  wet/dry, fluidized sand bed, I-tech skimmer
Water Changes:  10% weekly
Water Temperature:  79-80
Lighting:  overhead fluorescent
Lighting Cycle:  on for 13hrs
Other Tank Inhabitants:  none

Broodstock Feeding Details
Food Types:  Rods Food FO blend, formula 1 & 2 pellets, PE mysis, cyclop-eeze wafer
Feeding Schedule:  every 4hrs

Spawning Details
Date of First Spawn:  09/07/2011
Spawn Time of Day:  anywhere between 1PM-2PM
Dates of Consecutive Spawns:  they've entered a routine that has been uninterrupted since spawning began, spawn occurs every 11-12 days
Courtship Details:  aggressive female
Egg Size:  approx. 2mm
Egg Color:  orange
Egg Count:  hundreds


Hatch Details
Hatch Date:  09-13-11
Hatch Time of Day:  evening
# Days after Spawn:   6
Larvae Description:   silver with eyes and mouth, approx. 3mm in length


Larval Tank Details
Temperature:  80
Size of Larval Tank:  25gal round tub
Substrate Details:  bare bottom
Other Tank Decor:  none
Filtration Details:  none
Lighting:  overhead fluorescents
Lighting Cycle:  8am-9pm timer
Water Changes:  none yet, plan to do some at 5dph

Larval Feeding Details
Food Types:  rotifers
Feeding Schedule:  add rotifers as needed, green water as needed with RotiGreen Omega

Metamorphosis/Settlement
Date of Settlement Start:  09-20-2011
Days after Hatch:  7
Date of Settlement End: 09-23-2011 
Description of Fry: .25"

Grow-Out Tank Details
Temperature:  80 F
Size of Grow-Out Tank:  110gal black oval tub, only filled to 75gal 
Substrate Details: none 
Other Tank Decor:  none
Filtration Details:  Plumbed into system filtered with 25um sock, wet/dry, skimmer, and UV
Lighting:  overhead fluorescent
Lighting Cycle: 8am-10pm
Water Changes:  10% weekly
Size at Transfer: .25"-.5" 
Age at Transfer:  30dph

Grow-Out Feeding Details
Food Types:  otohime B2, NLS Grow, crushed HUFA flake
Feeding Schedule:  every 4 hours 

Additional Information

(No Pictures or Videos in the Section Please)
Miscellaneous Information: 



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Jonathan Foster

FishEye Aquaculture

Male with eggs:

Female, eggs are the blurry mass in the background:

Male:

P. biaculeatus larvae, 4dph:

Jonathan Foster

FishEye Aquaculture

11dph (after meta)

 
Approx. 5 months old (cell phone shot)

 

Jonathan Foster

FishEye Aquaculture

We maybe get 10 or so a batch that have "goldflakes" (customer photo)

Jonathan Foster

FishEye Aquaculture