Spawn #2

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Spawn Records

 

Spawn #2: Straits Violet DTM (From Straits) X Straits Violet DTF (From Straits)
Date Of Spawn: 01 December 2001
Spawn Size: 70 - 100
Spawn Code: 2001-SP-13
Parent Code: V-DT-M1 X V-DT-F1

 

Spawn Description:

Male have difficulties in building a proper nest and thus have to use the nest made previously by Op-HM-M3. The male fish seems to have lost the ability to build nest maybe due to the heavy finnage.

Despite serious egg-drop situation by the female, the male fish was still able to salvage some of the eggs. 

Spawning Starts: 01/12/2001
Remove Female: 03/12/2001
Hatch: 05/12/2001
Free Swimming: 07/12/2001
Remove Male: 07/12/2001
Results: > 50 fries feeding on micro-worms

 

Spawn Observations:

11 Dec: Mortality 0%
- Fries feeding on micro-worms from dayy 1.

- All DT phenotype.

18 Dec: Mortality 0%
- Size: 6-7mm

7 Jan 2001(3 weeks): Mortality 5% 

- Size: 15mm
- Some fries are huge … but probably wiith missing ventrals again. 

- Now feed more daphnia to see if it could be the cause of micro-worms.

14 Jan 2002: Mortality 0%
- Jarred the 10 largest fries. 

- Size: 10mm - 15mm
- This time the fries are not maintaineed very well with most of them undersized. - - About 10% of the fries turned out tto be pastels DT. Hope to see them till adult for new strain.

20 Jan: Mortality 0% Cull 30%
- Culled about 30 pcs of the deformed ffries

- Some with crooked spines while some are undersized and with missing ventrals.

31Jan: Mortality 30%
- Most fries have missing ventrals p;

- Only selected about 15 pcs with ventral for keep. 

- The rest are in community tanks. 

- About 20 died in poor water condition. 

- Total remaining: 40 pcs

16 Apr 2002: Mortality 0%

Conclusion: 

This spawn is a failure with most fish having the missing ventrals and with spine  abnormalities. Currently only left with about 10 fishes that are full size. Mostly without ventrals. Hope to breed them to see if the missing ventrals syndrome can be inherited.

 

(PS: Have also checked with the Straits and was told that their Straits Violet line are also not very desirable. It was mentioned that the recent spawns of Straits Violet threw out 90% females and the quality is not up to marketable standards.)