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Species | Development state | Trait | Primary Data | Secondary Data |
Esox lucius | Spawning conditions | Spawning substrate | With vegetation as spawning base | Phytophils |
Esox lucius | Spawning conditions | Spawning depth | Shallow waters (depth < 1 m) | 1.0 m |
Esox lucius | Egg | Egg adhesiveness | Fertilized eggs swell and adhere to plants, which prevents them from sinking down to the bottom | Adhesive |
Esox lucius | Egg | Temperature for incubation | At 10°C | 10.0 °C |
Esox lucius | Spawning conditions | Spawning season | In Fennoscandia, pike spawns in April-May | ['April', 'May'] |
Esox lucius | Larvae | Reaction to light | One-week-old freely swimming larvae are positively phototactic and often swim very near the surface, and they may thus become severely exposed to UV-B radiation | Photopositive |
Esox lucius | Larvae | Larvae behaviour | Newly hatched larvae attached to plants remain nonmotile for the first few days of life | Demersal |