Catch Care, Release & Conservation

Why Catch Care Matters

A fish that swims away is not automatically a fish that survives. Release survival depends on how long the fight lasted, how the fish was handled out of the water, hook placement, air temperature and, for deeper reef species, pressure change. Australian Fish Species treats release care as a core skill rather than an afterthought, because the same estuaries, beaches and offshore grounds around Sydney and the wider coast are fished season after season by the same anglers.

Handling Fish You Intend to Release

• Wet your hands or use a wet, knotless landing net. Dry hands, towels and hot boat decks strip the protective slime coat.
• Support larger fish horizontally with one hand under the belly. Never hang a heavy mulloway, kingfish or Murray cod vertically by the jaw.
• Keep air exposure under about 30 seconds. Have the camera ready before the fish leaves the water, or photograph it in the net.
• Do not touch the gills or eyes, and avoid dropping fish onto sand, rock or gravel.
• Release the fish head-first into moving water and let it swim from your hand rather than throwing it.

Tackle Choices That Improve Survival

Gear selection decides most release outcomes before you hook up. Fish heavy enough line to land fish quickly, since long exhausting fights build up lactic acid and greatly reduce survival, particularly with fast-moving pelagics such as tuna and tailor.

• Circle hooks for bait fishing reduce deep hooking in bream, snapper, whiting and mulloway. Do not strike; let the fish load the rod.
• Single or crushed-barb hooks on lures make unhooking faster and cause less damage, especially with treble-armed hardbodies.
• Carry the right tools: long-nose pliers, side cutters, a hook-out and a measuring device kept ready in the boat or on your belt.
• Deeply hooked fish: cut the leader close to the hook rather than digging around in the throat or gut.

Barotrauma and Deep-Water Species

Fish brought up from depth, commonly snapper, pearl perch, coral trout and other reef species, can suffer barotrauma when the swim bladder expands. Signs include a protruding stomach, bulging eyes and an inability to swim down. Do not puncture the fish with a knife or spike on the deck. Use a purpose-made release weight or descender device to return the fish quickly to depth so the gas recompresses. Deciding early which fish you will keep, and moving off a spot once you have caught your feed, avoids repeated deep releases.

Water Temperature, Season and Timing

Warm summer water holds less oxygen, so releases in shallow estuaries during a hot afternoon are far more stressful than the same release on a cool winter morning. In the Southern Hemisphere seasons, take extra care from late spring through summer: shorten fights, minimise handling and consider fishing dawn and dusk. Spawning aggregations of species like mulloway, Australian bass and Murray cod are also especially vulnerable, and many states apply seasonal closures to protect them.

Caring for Fish You Keep

Conservation also means wasting nothing. Take only what you will eat, dispatch fish promptly with an ike jime spike or a firm blow to the head, bleed them, and get them onto ice slurry rather than a dry esky. Fillet at home or at designated cleaning tables, and dispose of frames and offal responsibly instead of leaving them on ramps or rock platforms.

Rules, Limits and Local Responsibility

Bag limits, minimum and maximum size limits, protected species and closed seasons differ between NSW, QLD, VIC, SA, WA, TAS, NT and the Murray-Darling Basin, and they change over time. Treat published limits as maximums, not targets, and always confirm the current rules with the relevant state or territory fisheries authority before you fish.

Protecting Habitat

• Avoid driving boats or dragging anchors across seagrass beds, which are nursery habitat for flathead, whiting and bream.
• Leave snags, weed beds and rock bars intact; they are structure that holds fish.
• Pack out all line, packaging, soft plastics and lead. Discarded braid and mono kill birds and marine life.
• Clean and dry gear between freshwater systems to limit the spread of pests and disease.
• Report tagged fish and unusual catches to your state fisheries program so the data helps future management.

Questions about a technique, release method or local rule? Contact Australian Fish Species on +61295585271 or [email protected] during Mon–Fri: 09:00 – 17:00 (AEST).