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Author Topic: Breeding Journal, Species:Elacatinus oceanops  (Read 3744 times)
MDoty
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« on: February 07, 2017, 10:33:40 pm »

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: Elacatinus oceanops
Social Structure: Male/ Female pair
Size of Individuals: both about 1.25 inches
Age of Individuals: Unknown
Date added to Tank: December 2016

Broodstock Tank Details
Size of Tank: 90 Gallon reef tank
Substrate Details: Sand and crushed coral
Filtration Details: 20 gallon sump with protein skimmer, algae, and floss filter pad
Water Changes: 25 gallons monthly
Water Temperature: 80f
Lighting: Current USA Marine Orbit Pro LED
Lighting Cycle: First lights come on around 6:30 AM and slowly ramp up, full daylight is from about 8:30AM to 7:00PM and then gradually fade until lights are fully off by 9:00PM
Other Tank Inhabitants: One molly miller Blenny, hermit crabs, and snails

Broodstock Feeding Details
Food Types: Brine and Misys shrimp from hikari, I also add tigger pods to the tank almost every night.
Feeding Schedule: once to twice a day

Spawning Details
Date of First Spawn: 2/8/2017
Spawn Time of Day: unknown, I found them early evening
Dates of Consecutive Spawns: 2/20/2017, 3/3/2017, 3/16/17, 3/28/17
Courtship Details:They interact a lot, with both swimming up to and around the other. Both in and out of the spawn site.
Egg Size: estimated 2mm
Egg Color: clear at first and then slightly silver with black and silver eyes
Egg Count: Im guessing 100

Hatch Details
Hatch Date: 2/17/17, 3/1/17, 3/13/17, 3/25/17, 4/14/17
Hatch Time of Day: at night after 11pm (about 2 hours after lights out)
# Days after Spawn: 9/ 10 days, some have been nine days some have been ten days.
Larvae Description: very thin slivers, silver with three spots evenly spaced apart.


Larval Tank Details
Temperature: 80f
Size of Larval Tank: BRT with about 5 gallons of water
Substrate Details: none
Other Tank Decor: none
Filtration Details: none other than water changes
Lighting: clamp light about a foot off the water 60w bulb
Lighting Cycle: first week was 24 hours on, then I reduced it to 6:00 AM on and then off at midnight. 6 hours of dark each night. I noticed a die off when I switched it off 24 hours.
Water Changes: I add water little by little through a gravity fed drip. I then syphon out water when the level increases. I probably only change a half gallon a week.

Larval Feeding Details
Food Types: Rotifers for the first week, then I slowly started adding newly hatched brine and otohime A. I kept rotifers going in the BRT until probably day 25 post hatch.
Feeding Schedule: Baby brine and otohime A multiple times a day, usually morning noon and night.

Metamorphosis/Settlement
Date of Settlement Start: 5/18/2017
Days after Hatch: 34 days post hatch
Date of Settlement End: 5/22/2017
Description of Fry: little half inch replicas of the parents. Blue with a black stripe down each side and white on the underside. Swim with a slight angle and sit on the bottom often.

Grow-Out Tank Details
Temperature: 80f
Size of Grow-Out Tank: breeder net in a 10 gallon tank
Substrate Details: none, one piece of rock about an inch round
Other Tank Decor: small plastic plant
Filtration Details: the tank has a HOB Marine land Penguin bio wheel 100
Lighting:ambient from other tank lights
Lighting Cycle: roughly 7AM- 9PM
Water Changes: 10% monthly
Size at Transfer: little over an inch long
Age at Transfer: about 40 days post settlement

Grow-Out Feeding Details
Food Types: brine shrimp, tigger pods, otohime b1 and b2
Feeding Schedule: several times a day, no real set schedule

Additional Information
Miscellaneous Information:


You will be required to provide photographic 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.
« Last Edit: July 23, 2017, 01:20:48 pm by MDoty » Logged

MDoty
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« Reply #1 on: February 07, 2017, 10:35:17 pm »

Im pretty sure this pair has spawned in a small piece of barnacle in my tank. Its in the middle of the tank and attached to the rock so I don't know for sure. I may end up removing the barnacle or try enticing them with a piece of PVC. Pictures to come.
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MDoty
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« Reply #2 on: February 08, 2017, 08:42:33 pm »

Found eggs! I haven't looked into the breeding of these yet but the eggs are clear, leading me to think they were laid today. Picture quality is going to be terrible because of the location but I'll do my best to post some tonight.
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mpedersen
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« Reply #3 on: February 08, 2017, 11:50:51 pm »

YAY! Clear eggs are indeed what they look like initially. On an unrelated note...the Lightning pair spawned yesterday (the 7th)...so...you have lots of eggs to play with!
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MDoty
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« Reply #4 on: February 11, 2017, 12:54:03 pm »

As I said, these are going to be very tricky to get clear images of. This is about the best video I can get. The eggs are on the inside of the barnacle, you can see them at the beginning of the clip before the male comes in to guard them. Today the eggs look a little more white/ solid color rather than the clear they started as.

https://youtu.be/I-i68NeruZc
« Last Edit: February 11, 2017, 12:56:19 pm by MDoty » Logged

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« Reply #5 on: February 11, 2017, 01:02:38 pm »

The pair. The male is a little longer and skinnier than the female. The first image is the male, the second is the female (looking pretty gravid).


* IMG_3561.JPG (138.67 KB, 640x480 - viewed 170 times.)

* IMG_3525.JPG (93.42 KB, 640x480 - viewed 159 times.)
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MDoty
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« Reply #6 on: February 14, 2017, 08:23:05 am »

The eyes are starting to darken up. This clip was taken last night (2/13/17). I think hatch will be tonight.
http://www.youtube.com/watch?v=HdHnKquYO8c
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MDoty
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« Reply #7 on: February 18, 2017, 02:36:56 pm »

The eggs appear to have hatched at some point after 11PM last night. I didn't manage to see/ catch any.
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MDoty
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« Reply #8 on: February 20, 2017, 09:45:46 pm »

New spawn today, this time I got them to spawn in a PVC pipe. I'm hoping to remove that the night they hatch, in a Black round tub.
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MDoty
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« Reply #9 on: February 25, 2017, 09:30:35 am »

Just noting some behavior I have noticed. The pair interacts a lot in the days leading up to spawning. Always swimming near each other, and both hanging around the nest site. Since the eggs were laid the male is the caretaker and the female really doesn't hang around much. She's all over the tank at any given time and he is almost always within a couple inches of the nest.
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MDoty
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« Reply #10 on: March 02, 2017, 02:00:49 pm »

Eggs hatched last night (3/1/17), I did not collect them.
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MDoty
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« Reply #11 on: March 03, 2017, 08:19:31 pm »

New spawn today, I found them around 1:00PM.
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MDoty
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« Reply #12 on: March 13, 2017, 10:20:33 pm »

Hatch tonight, I managed to stay up late enough to catch a couple. I'll have pictures up soon. Hatch time was 10pm


* IMG_0147.PNG (321.07 KB, 360x640 - viewed 129 times.)

* IMG_0146.PNG (373.76 KB, 360x640 - viewed 141 times.)

* IMG_0144.PNG (361.02 KB, 180x320 - viewed 148 times.)
« Last Edit: April 15, 2017, 03:07:28 pm by MDoty » Logged

MDoty
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« Reply #13 on: April 15, 2017, 02:45:38 pm »

I had a good hatch last night! I removed the PVC the eggs where in and set them up to hatch in a BRT. I set the temp to 80f and set the bubbles to move over the eggs. It was a complete hatch, probably over 100. I added rotifers and tinted the water green with rotigreen. The BRT has about 5 gallons in it to start.
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MDoty
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« Reply #14 on: April 21, 2017, 07:25:49 am »

Tonight marks one week on this first run. I had a die off the first two days leaving me to probably 30 babies today. They pretty much look the same still, except a little longer and more color around the eyes. I reduced the amount of rotigreen I'm using so that the water is lightly tinted green, they don't seem to need it like the clowns do. I'm using about 1 ml daily for 5 gallons of water.
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