Tropical, Koi and Aquaculture Feeds
Our international network ensure that we can supply top quality feeds at competitive prices. We can supply:
- Fish feeds: commercial aquaculture, tropical fish, koi, goldfish etc.
- Shrimp feeds
- Larval Feeds for shrimp (prawns) and fish species
- Abalone starter feeds
- Eel feeds
Larval development
The feeding schedules used for A. japonicus (mulloway) are comparable to those used for S. ocellatus (Soletchnik et al., 1988). The mouth of A. japonicus is large (275— 300 microns at day 2) and there is a possibility that first-feed larvae may be able to ingest newly hatched brine shrimp, eliminating the expensive production of rotifers
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Characteristic
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Sciaenops ocellatusa
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Atractoscion nobilisb
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Argyrosomus japonicus (hololepidotus)c
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Water temperature at spawning (°C)
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25
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15-23
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23
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Size of eggs (mm)
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0.95
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1.20-1.4
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0.8
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Size of oil globule (mm)
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0.3
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0.30-0.36
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0.3
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Hatching time at 25°C
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24
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-
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29
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Size at hatch (mm)
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1.7 SL
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2.49
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2.25
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Size at 3 days old (mm)
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2.5 SL
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2.8-3.2
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3
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Size at 10 days old (mm)
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4.2 SL
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4.2-4.7
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3.7
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Size at 21 days old (mm)
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17.5 SL
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6.5-6.8
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7.6
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Swim bladder inflation (d)
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4
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4-6 at 18.5°C
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3-4
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Mouth open (d)
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3
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3-4
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2
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Start feeding (d)
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3-4
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2-3
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4
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Yolk-sac absorbed (d)
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3
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3-6
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3
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Pectoral fin (d)
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16
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27
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22
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(mm)
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10
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9.4
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11.5
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Tail flexion (d)
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10
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15
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12
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(mm)
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5
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5
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5.1
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Dorsal fin rays (d)
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14
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22
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20
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(mm)
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6.6
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6.1
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8.8
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Ventral fin anal (d)
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12
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27
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20
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(mm)
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6.2
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9.4
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8.8
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Metamorphosis (mm)
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13
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15
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12.1
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Scale formation (d)
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21
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27
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34
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(mm)
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17.5
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9.0 SL
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15-26
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aHolt et al. (1981) and Holt (1990).
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bMosser et al. (1983) and Orhun (1989).
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c Battaglene and Talbot, 1994
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