Identifying Baby Fish in Mixed Pond

Observation

35–40 babies, dark brown/black, ¼–1.5″. Pond has goldfish, koi, rudd, tench, carp.

Goldfish fry stay brown/gray until ~1″ (some never color up).
Koi fry show color early.
Carp similar to koi.
Rudd/tench: if golden morph, fry orange; wild type, fry dark. Rarely reported spawning.

Spawn readily, frequently, in varied conditions. Others need specific triggers.

Most will be eaten. Survivors: cull if overcrowded. Enjoy the biodiversity!

Pond and Water Gardening: Shy Comet Goldfish in New 6×2 ft Pond; Identifying Bronze-Colored Fry in a Koi/Goldfish Pond; Sudden Goldfish Deaths in Troughs and Pond After Heavy Rain; Goldfish Eggs Survive Pond Drain? Leave or Move?; Goldfish Hiding After Heron Visit: Long-Term Wariness & Recovery; Frogs and Goldfish: Can They Coexist Peacefully?; Overwintering Koi and Goldfish: Pond vs. Indoor Tank; Why Are My Pond Fish Hiding at the Bottom?; Shubunkins Chasing Goldfish to Death: Aggression, Not Breeding; Goldfish Ich Outbreak After Adding a Fair Fish: Emergency Treatment Guide

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