Fish

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 512 512"
>
    <linearGradient
        id="a"
        x1="256"
        x2="256"
        y1="512"
        y2="0"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#addcff" />
        <stop offset=".503" stop-color="#eaf6ff" />
        <stop offset="1" stop-color="#eaf6ff" />
    </linearGradient>
    <linearGradient
        id="b"
        x1="149.3"
        x2="367.386"
        y1="362.7"
        y2="144.614"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#00c0ff" />
        <stop offset="1" stop-color="#5558ff" />
    </linearGradient>
    <circle cx="256" cy="256" r="256" fill="url(#a)" />
    <path
        fill="url(#b)"
        d="M331.148 295.122c6.687 1.543 13.278 2.432 19.647 2.664-22.808 13.528-48.204 22.953-74.552 27.419-21.645 3.669-42.334 3.604-57.806.332 1.52 7.408 2.337 15.483 2.487 22.864.288 14.129-1.589 40.193-17.403 56.007a8.847 8.847 0 0 1-12.512 0l-11.5-11.5c-11.092-11.092-17.959-25.286-19.792-40.624-15.339-1.833-29.532-8.699-40.624-19.792l-11.5-11.5a8.849 8.849 0 0 1 0-12.513c15.814-15.814 41.878-17.692 56.007-17.403 7.381.151 15.456.967 22.864 2.487-3.272-15.472-3.337-36.161.332-57.806 4.465-26.337 13.884-51.724 27.403-74.524.241 6.322 1.125 12.879 2.681 19.619 5.83 25.265 20.77 50.907 42.066 72.204 21.295 21.296 46.937 36.236 72.202 42.066zm61.263-29.554c-13.377 13.377-33.72 17.749-57.284 12.311-22.076-5.094-44.688-18.354-63.67-37.336s-32.242-41.594-37.336-63.67c-5.438-23.563-1.065-43.907 12.311-57.284s33.72-17.749 57.284-12.311c22.076 5.094 44.688 18.354 63.67 37.336s32.242 41.594 37.336 63.67c5.438 23.564 1.065 43.907-12.311 57.284zm-32.012-66.47c-2.762-10.127-9.168-20.589-18.038-29.459s-19.332-15.276-29.459-18.038c-11.688-3.188-22.233-1.174-28.932 5.525s-8.713 17.244-5.525 28.932c2.762 10.127 9.168 20.589 18.038 29.459s19.332 15.276 29.459 18.038c11.688 3.188 22.233 1.174 28.932-5.525 6.698-6.698 8.712-17.244 5.525-28.932zm-63.917-29.459c-4.251 4.251-1.491 19.363 12.512 33.367 14.003 14.003 29.115 16.764 33.367 12.512 4.251-4.251 1.491-19.363-12.512-33.367-14.004-14.003-29.116-16.763-33.367-12.512z"
    />
</svg>