Screencaps:

Modlist:

• True Darkness [2.0.103]
• ArborFirmaCraft [1.0.9-1.20.1]
• Firma: Civilization [0.2.10-alpha-1.20.1]
• TFC Vessel Tooltip [1.0]
• Embeddium [0.3.17+mc1.20.1]
• Dynamic FPS [3.4.3]
• Curios API [5.9.0+1.20.1]
• Balm [7.2.2]
• TFC Desire Paths [1.1.3]
• TFC: Grooming Station [1.20.1-0.1.2]
• TFC Casting with Channels [0.2.3-beta]
• EntityCulling [1.6.2]
• Barrels 2012 [2.1]
• Cupboard utilities [1.20.1-2.6]
• Tiny Item Animations [1.20-1.1]
• TFC Hot or Not [1.0.4]
• ImmediatelyFast [1.2.14+1.20.4]
• Jade [11.8.0]
• Starlight [1.1.2+forge.1cda73c]
• Krypton Reforged [0.2.3]
• TFC Caelum [1.2]
• TFC Improved Badlands [1.0.2]
• Client Tweaks [11.1.0]
• aleki's Easy Held Models [1.0.3-1.20.1]
• Canary [0.3.3]
• TFC Cast Iron Grill [2.1]
• Corpse [1.20.1-1.0.12]
• TFC Ambiental [1.20.1-3.3.0]
• Radium [0.12.3+git.50c5c33]
• Precision Prospecting [1.20.1-1.0.0]
• TFC Support Indicator [1.0.1]
• Ferrite Core [6.0.1]
• TFCGyres-OreHints [2.1]
• Dynamic Lights [1.7.1+mod]
• Patchouli [1.20.1-84-FORGE]
• Model Gap Fix [1.15]
• Fastload-Reforged [3.4.0]
• TFC Astikor Carts [1.1.8.1]
• Connectivity Mod [1.20.1-5.5]
• Just Enough Items [15.3.0.4]
• Macaw's All-In-One for TFC [0.2.30-1.20.1]
• Firmalife [2.1.3]
• Smoothchunk mod [1.20.1-3.6]
• recipeessentials mod [1.20.1-3.4]
• Multi Mine [1.20.1.3]
• AstikorCarts Redux [1.1.7]
• Caelum [1.20.1-2.0.0.0]
• TerraFirmaCraft [3.2.2]
• ModernFix [5.17.0+mc1.20.1]
• TFC Ore Washing [1.0.3]
• Cloth Config v10 API [11.1.118]
• Alternate Current [1.7.0]
• TFC Water Flasks [3.0.2]
• Mouse Tweaks [2.25]
• Gpu memory leak fix [1.20.1-1.8]
• Better Combat [1.8.5+1.20.1]
• Player Animator [1.0.2-rc1+1.20]

Eh, this is fine, they are intentionally allowed to spawn into fluid depending on temperature, which this seems to be.