Breeding Journal DataSheet
This first post should be updated regularly to include new information as events take place or changes are made to your system
General Species: Amblygobius Phalaena
Social Structure: Pair
Size of Individuals: 5" and 2.5"
Age of Individuals: not known
Date added to Tank: Nov 2009, Feb 2011
Broodstock Tank Details Size of Tank: 25 gallon
Substrate Details: none
Filtration Details: Central
Water Changes: none
Water Temperature: 78
Lighting: indirect only
Lighting Cycle: 14 on
Other Tank Inhabitants: none
Broodstock Feeding Details Food Types: Any meaty fare
Feeding Schedule: 3 times daily
Spawning Details Date of First Spawn: suspected 22/23 March 2011
Spawn Time of Day: not known
Dates of Consecutive Spawns: 2nd Spawn 4/8/2011 , 7/12/11, 7/25/11
Courtship Details: Male gets aggressive chasing female. He also alters his colouring from very dark to almost white. He will hover above a chosen spawning pipe and then enter it, moving in and out with just half his body to entice the female to enter.
Egg Size: 1mm
Egg Color: whiteish
Egg Count: 150
Hatch Details Hatch Date: Missed first hatch 3/26/2011 2nd Hatch 4/12/2011
Hatch Time of Day: After lights out at 9pm
# Days after Spawn: 3.5
Larvae Description: About 3mm in length with large eyes and visible stomach
Larval Tank Details Temperature: 78-80
Size of Larval Tank: 5 gal BRT
Substrate Details: None
Other Tank Decor: None
Filtration Details: None
Lighting: Ambient fish house lights
Lighting Cycle: 14 on
Water Changes: 5% daily
Larval Feeding Details Food Types: L Strain Rotifers
Feeding Schedule: Continuous
Metamorphosis/Settlement Date of Settlement Start: Days after Hatch: Date of Settlement End: Description of Fry:
Grow-Out Tank Details Temperature: Size of Grow-Out Tank: Substrate Details: Other Tank Decor: Filtration Details: Lighting: Lighting Cycle: Water Changes: Size at Transfer: Age at Transfer: Grow-Out Feeding Details Food Types: Feeding Schedule: Additional Information Hatch No2. These larvae were placed in a tub that contained red head fry that had hatched approximately a week earlier
(No Pictures or Videos in the Section Please) Miscellaneous Information: Previous spawnings in 2009are here
http://www.marinebreeder.org/phpbb/viewtopic.php?f=221&t=6233 You will be required to provide photographic or video evidence in this thread of each event submitted for the MBI Program.
If your thread does not contain these photos the MBI Committee will not be able to approve your reports. PHOTOS AND VIDEO S MUST BE PLACED IN ADDITIONAL POSTS, NEVER IN THE FIRST POST IN A JOURNAL.
<message edited by Duck on Monday, July 25, 2011 2:05 PM>