1. Discards are these fish they weren't targeting and they get thrown overboard wastefully.

2. Consumptive definition: tending to consume or use often wastefully synonyms: exploitive, exploitative, exploitatory antonyms: generative, healthy, fit, keep down

3. Consumptive - tending to consume or use often wastefully; "water suitable for beneficial Consumptive uses"; "duties Consumptive of time and energy"; "Consumptive fires" generative , productive - having the ability to produce or originate; "generative power"; "generative forces"