Snopios,
During the Main Phase (Quick Effect): You can banish 2 Fish monsters from your hand and/or GY; Special Summon this card from your hand. If this card is Special Summoned: You can target 1 face-up card on the field; banish it when it leaves the field. If this card is banished: You can banish 1 Fish monster from your GY; add this card to your hand. You can only use each effect of "Snopios, Shade of the Ghoti" once per turn.
local s, id, o = GetID()
function s.initial_effect(c)
	--spsummon itself
	local e1 = Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id, 0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_QUICK_O)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetRange(LOCATION_HAND)
	e1:SetHintTiming(0, TIMINGS_CHECK_MONSTER + TIMING_MAIN_END)
	e1:SetCountLimit(1, id)
	e1:SetCondition(s.spcon)
	e1:SetCost(s.spcost)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	--flag for banishing
	local e2 = Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id, 1))
	e2:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_DELAY + EFFECT_FLAG_CARD_TARGET)
	e2:SetCode(EVENT_SPSUMMON_SUCCESS)
	e2:SetCountLimit(1, id + o)
	e2:SetTarget(s.flagtg)
	e2:SetOperation(s.flagop)
	c:RegisterEffect(e2)
	--add to hand
	local e3 = Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id, 3))
	e3:SetCategory(CATEGORY_TOHAND)
	e3:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_TRIGGER_O)
	e3:SetProperty(EFFECT_FLAG_DELAY)
	e3:SetCode(EVENT_REMOVE)
	e3:SetCountLimit(1, id + o * 2)
	e3:SetCost(s.thcost)
	e3:SetTarget(s.thtg)
	e3:SetOperation(s.thop)
	c:RegisterEffect(e3)
end
function s.spcon(e, tp, eg, ep, ev, re, r, rp)
	return Duel.GetCurrentPhase() == PHASE_MAIN1 or Duel.GetCurrentPhase() == PHASE_MAIN2
end
function s.costfilter(c)
	return c:IsRace(RACE_FISH) and c:IsAbleToRemoveAsCost()
end
function s.spcost(e, tp, eg, ep, ev, re, r, rp, chk)
	local c = e:GetHandler()
	if chk == 0 then
		return Duel.IsExistingMatchingCard(s.costfilter, tp, LOCATION_HAND + LOCATION_GRAVE, 0, 2, c)
	end
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_REMOVE)
	local g = Duel.SelectMatchingCard(tp, s.costfilter, tp, LOCATION_HAND + LOCATION_GRAVE, 0, 2, 2, c)
	Duel.Remove(g, POS_FACEUP, REASON_COST)
end
function s.sptg(e, tp, eg, ep, ev, re, r, rp, chk)
	local c = e:GetHandler()
	if chk == 0 then
		return Duel.GetLocationCount(tp, LOCATION_MZONE) > 0 and c:IsCanBeSpecialSummoned(e, 0, tp, false, false)
	end
	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, c, 1, 0, 0)
end
function s.spop(e, tp, eg, ep, ev, re, r, rp)
	local c = e:GetHandler()
	if not c:IsRelateToEffect(e) then
		return
	end
	Duel.SpecialSummon(c, 0, tp, tp, false, false, POS_FACEUP)
end
function s.flagtg(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
	if chkc then
		return chkc:IsOnField() and chkc:IsFaceup()
	end
	if chk == 0 then
		return Duel.IsExistingTarget(Card.IsFaceup, tp, LOCATION_ONFIELD, LOCATION_ONFIELD, 1, nil)
	end
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_REMOVE)
	Duel.SelectTarget(tp, Card.IsFaceup, tp, LOCATION_ONFIELD, LOCATION_ONFIELD, 1, 1, nil)
end
function s.flagop(e, tp, eg, ep, ev, re, r, rp)
	local tc = Duel.GetFirstTarget()
	if not tc or not tc:IsRelateToEffect(e) then
		return
	end
	local e1 = Effect.CreateEffect(e:GetHandler())
	e1:SetDescription(aux.Stringid(id, 2))
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_LEAVE_FIELD_REDIRECT)
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE + EFFECT_FLAG_CLIENT_HINT)
	e1:SetValue(LOCATION_REMOVED)
	e1:SetReset(RESET_EVENT + RESETS_REDIRECT)
	tc:RegisterEffect(e1)
end
function s.thcost(e, tp, eg, ep, ev, re, r, rp, chk)
	if chk == 0 then
		return Duel.IsExistingMatchingCard(s.costfilter, tp, LOCATION_GRAVE, 0, 1, nil)
	end
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_REMOVE)
	local g = Duel.SelectMatchingCard(tp, s.costfilter, tp, LOCATION_GRAVE, 0, 1, 1, nil)
	Duel.Remove(g, POS_FACEUP, REASON_COST)
end
function s.thtg(e, tp, eg, ep, ev, re, r, rp, chk)
	local c = e:GetHandler()
	if chk == 0 then
		return c:IsAbleToHand()
	end
	Duel.SetOperationInfo(0, CATEGORY_TOHAND, c, 1, 0, 0)
end
function s.thop(e, tp, eg, ep, ev, re, r, rp)
	local c = e:GetHandler()
	if c:IsRelateToEffect(e) then
		Duel.SendtoHand(c, nil, REASON_EFFECT)
	end
end


Snopios,
During the Main Phase (Quick Effect): You can banish 2 Fish monsters from your hand and/or GY; Special Summon this card from your hand. If this card is Special Summoned: You can target 1 face-up card on the field; banish it when it leaves the field. If this card is banished: You can banish 1 Fish monster from your GY; add this card to your hand. You can only use each effect of "Snopios, Shade of the Ghoti" once per turn.
-- Snopios,
local s, id, o = GetID()
function s.initial_effect(c)
	--spsummon itself
	local e1 = Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id, 0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_QUICK_O)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetRange(LOCATION_HAND)
	e1:SetHintTiming(0, TIMINGS_CHECK_MONSTER + TIMING_MAIN_END)
	e1:SetCountLimit(1, id)
	e1:SetCondition(s.spcon)
	e1:SetCost(s.spcost)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	--flag for banishing
	local e2 = Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id, 1))
	e2:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_DELAY + EFFECT_FLAG_CARD_TARGET)
	e2:SetCode(EVENT_SPSUMMON_SUCCESS)
	e2:SetCountLimit(1, id + o)
	e2:SetTarget(s.flagtg)
	e2:SetOperation(s.flagop)
	c:RegisterEffect(e2)
	--add to hand
	local e3 = Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id, 3))
	e3:SetCategory(CATEGORY_TOHAND)
	e3:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_TRIGGER_O)
	e3:SetProperty(EFFECT_FLAG_DELAY)
	e3:SetCode(EVENT_REMOVE)
	e3:SetCountLimit(1, id + o * 2)
	e3:SetCost(s.thcost)
	e3:SetTarget(s.thtg)
	e3:SetOperation(s.thop)
	c:RegisterEffect(e3)
end
function s.spcon(e, tp, eg, ep, ev, re, r, rp)
	return Duel.GetCurrentPhase() == PHASE_MAIN1 or Duel.GetCurrentPhase() == PHASE_MAIN2
end
function s.costfilter(c)
	return c:IsRace(RACE_FISH) and c:IsAbleToRemoveAsCost()
end
function s.spcost(e, tp, eg, ep, ev, re, r, rp, chk)
	local c = e:GetHandler()
	if chk == 0 then
		return Duel.IsExistingMatchingCard(s.costfilter, tp, LOCATION_HAND + LOCATION_GRAVE, 0, 2, c)
	end
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_REMOVE)
	local g = Duel.SelectMatchingCard(tp, s.costfilter, tp, LOCATION_HAND + LOCATION_GRAVE, 0, 2, 2, c)
	Duel.Remove(g, POS_FACEUP, REASON_COST)
end
function s.sptg(e, tp, eg, ep, ev, re, r, rp, chk)
	local c = e:GetHandler()
	if chk == 0 then
		return Duel.GetLocationCount(tp, LOCATION_MZONE) > 0 and c:IsCanBeSpecialSummoned(e, 0, tp, false, false)
	end
	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, c, 1, 0, 0)
end
function s.spop(e, tp, eg, ep, ev, re, r, rp)
	local c = e:GetHandler()
	if not c:IsRelateToEffect(e) then
		return
	end
	Duel.SpecialSummon(c, 0, tp, tp, false, false, POS_FACEUP)
end
function s.flagtg(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
	if chkc then
		return chkc:IsOnField() and chkc:IsFaceup()
	end
	if chk == 0 then
		return Duel.IsExistingTarget(Card.IsFaceup, tp, LOCATION_ONFIELD, LOCATION_ONFIELD, 1, nil)
	end
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_REMOVE)
	Duel.SelectTarget(tp, Card.IsFaceup, tp, LOCATION_ONFIELD, LOCATION_ONFIELD, 1, 1, nil)
end
function s.flagop(e, tp, eg, ep, ev, re, r, rp)
	local tc = Duel.GetFirstTarget()
	if not tc or not tc:IsRelateToEffect(e) then
		return
	end
	local e1 = Effect.CreateEffect(e:GetHandler())
	e1:SetDescription(aux.Stringid(id, 2))
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_LEAVE_FIELD_REDIRECT)
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE + EFFECT_FLAG_CLIENT_HINT)
	e1:SetValue(LOCATION_REMOVED)
	e1:SetReset(RESET_EVENT + RESETS_REDIRECT)
	tc:RegisterEffect(e1)
end
function s.thcost(e, tp, eg, ep, ev, re, r, rp, chk)
	if chk == 0 then
		return Duel.IsExistingMatchingCard(s.costfilter, tp, LOCATION_GRAVE, 0, 1, nil)
	end
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_REMOVE)
	local g = Duel.SelectMatchingCard(tp, s.costfilter, tp, LOCATION_GRAVE, 0, 1, 1, nil)
	Duel.Remove(g, POS_FACEUP, REASON_COST)
end
function s.thtg(e, tp, eg, ep, ev, re, r, rp, chk)
	local c = e:GetHandler()
	if chk == 0 then
		return c:IsAbleToHand()
	end
	Duel.SetOperationInfo(0, CATEGORY_TOHAND, c, 1, 0, 0)
end
function s.thop(e, tp, eg, ep, ev, re, r, rp)
	local c = e:GetHandler()
	if c:IsRelateToEffect(e) then
		Duel.SendtoHand(c, nil, REASON_EFFECT)
	end
end

