strange question fish and hull

[arch007]

I have about 18 in fish nibbing on the barnacles algae on my hull. will they do any damage ?

how to tell if good to eat ?

[a64pilot]

Damage to what? the boat?
I guess you’ll have eat a barnacle fo tell, I have no idea if they are good eat or not.

[Reefmagnet]

Hey I could use those guys on my hull! They wont do any damage. We get huge Trevally here that like to do the same, but they're darned fussy eaters and prefer the non antifoul flavoured barnies growing on the floating dock.

[slug]

Originally Posted by arch007

I have about 18 in fish nibbing on the barnacles algae on my hull. will they do any damage ?

how to tell if good to eat ?

Mullet ...,can be eaten

Harbour mullet are extremely polluted , don’t eat

Mullet Actually clean the bottom

When you haul you can see the distinctive tracks

[Hudson Force]

I remember many times coming from the north and reaching Lake Worth Inlet. We would take a slip at Riveria Beach before crossing over to the Bahamas and the Parrot fish would swarm over our bottom cracking away the barnacles. We never saw barnacles growing on pilings in many areas of the Bahamas. I suspect this was due to the predator reef fish.
'messy eaters though, - they never removed the barnacle scale and left us to "do the dishes".

[johnn33]

If hungry, it is possible to try yourself... possibly even without a Californian commercial licence
https://www.clovegarden.com/ingred/seabarn.html
John

[slug]

Originally Posted by Hudson Force

I remember many times coming from the north and reaching Lake Worth Inlet. We would take a slip at Riveria Beach before crossing over to the Bahamas and the Parrot fish would swarm over our bottom cracking away the barnacles. We never saw barnacles growing on pilings in many areas of the Bahamas. I suspect this was due to the predator reef fish.
'messy eaters though, - they never removed the barnacle scale and left us to "do the dishes".

In gin clear water sunlight intensity , uv, prevents life from growing

The dead zone can be one or two meters down in some areas

[Training Wheels]

Oopss

[DDabs]

Do yourself a favor and don't eat anything you catch out of the marina...

[Nicholson58]

In the Caribbean little yellowtail snapper follow me along the hull when I break barnacles. They are so conditioned that they show up if I enter the water with the tools in hand.

[jimbunyard]

Where are you and what does the fish look like? Around here, sheepshead eat barnacles, mullet eat algae; they're both good to eat (though sheepshed are a bit of a pain to clean, and some say mullet meat picks up taste from the environment they live in, most likely from their diet). 18" would be a pretty big one for either species, generally speaking, the smaller the fish, the less chance it's had to accumulate toxins, if that worries you.

[Hudson Force]

Originally Posted by slug

In gin clear water sunlight intensity , uv, prevents life from growing

The dead zone can be one or two meters down in some areas

Life abounds in the "gin clear" air and the "gin clear" water. There's plenty of growth in the shallow tidal zones and people living on the land are always running their lawn mowers. Many pilings without barnacles are coated with algae and sponges. Cassiopeia are growing in inches of crystal clear water and the barnacles are well protected from uv within their calcium-carbonate shells except for some part time sweeping of those feathery gills. Barnacles can thrive where they are exposed at low tide. I have also seen this "dead zone" in some places. You may have some leads to a good answer, but the idea that uv prevents life is too simplistic. Please add something to this for an explanation that might work.

[slug]

Green and grey water is that color because it is full of life

Gin Clear water is clear because it has little


Too much light prevents growth by burning the organism ,

lack of light , photo synthesis , retards growth, starvation

Photosynthesis is the base fuel for life

Any Ariel photo will show this
From Zero to two meters grass can’t grow , sun burn

the dark green in the picture , plus two meter depth , is an intense forest of grass

[a64pilot]

Fresh Mullet are among the best eating fish there is, but it has to be fresh, I mean caught it a few minutes before supper. For some reason it’s best to clean them and let them soak in ice water for awhile, it’s seems to firm up most any fish’s flesh if you do.

Mullet that isn’t fresh is horrible, Mullet won’t bite a hook, you can catch them with a snag hook or a net, but they won’t bite a hook.
Mullet are often considered trash fish by those that don’t know better.

[a64pilot]

Originally Posted by slug

Green and grey water is that color because it is full of life

Gin Clear water is clear because it has little


Too much light prevents growth by burning the organism ,

lack of light , photo synthesis , retards growth, starvation

Photosynthesis is the base fuel for life

Any Ariel photo will show this
From Zero to two meters grass can’t grow , sun burn

the dark green in the picture , plus two meter depth , is an intense forest of grass

Yet I can take you by boat to places where the weed is attached to the bottom and penetrates all the way to the surface. I’d suspect wave action may be partially to blame for what you see in that picture.
However I would agree that most of the banks of the Bahamas is pretty much a dead zone.