A		It's how chemical molecules stick to surfaces inside flatheads or barramundi (6)
B		Harbourside suburb annoys marine creatures (7,4)
C		Caught ray angling and taking B (and/or some G, K, L, M, S or Y) (11)
D		Make simple silent fellow drink whiskey (4,4)
E		Resulted from close burying heads of small unfortunate eels (6)
F		Spooner's lair consumed and provided for himself (6)
G		Inland crustacean's unfinished oxygen extractor fails without ventilating first (7)
H		Like a light brown atmospheric obscuration to a lead-free friend (7)
I		"I do": it's problematic for prawnheads and pea-brains (6)
J		In parting, short young wallaby meeting resistance from timber worker (6)
K		Look at unopened publication about aquatic invertebrates (7)
L		Bolters chaotic run on ten limbs? (7)
M		Once Senior Nurse replaces tuna head with snapper tail to snare sandgroper's bushtucker (6)
N		Moguls ban returned former students (6)
O		Workplace where Emperor Penguins might go for a feed of krill? (6)
P		"Prawnhead surgery" you said, "left a front runner favoured" (7)
Q		Celestial objects resembling incomplete unopened pubs (7)
R		Do I ring a mobile or try calling on the CB? (8)
S		Unidentified cephalopod with blanket (not wide) for a B! (7)
T		Heard drink spoilt start of a golf round (3,3)
U		Immoral, tailless Dugong absurdly takes headless trout lure (7)
V		Unproven omission conceals one danger of a stingray's barb (5)
W		"Whiskey on rocks" initially prepared then rejected by setter clueing "Ready for writing-off" (4-3)
X		Seafood has unknown topping applied after head removed with surgical scrapers (7)
Y		"Why?" said a regular bobby. "It lives in water courses and waterholes" (5)
Z		Leading zealot painting us as a harsh critic of Homer's poetry (6)