sea otter animations

(in SeaOtterModel class)
    public void setupAnim(T entity, float limbSwing, float limbSwingAmount, float ageInTicks, float netHeadYaw, float headPitch) {
        this.root().getAllParts().forEach(ModelPart::resetPose);
        this.head.xRot = headPitch * 0.017453292F;
        this.head.yRot = netHeadYaw * 0.017453292F;

        if (entity.isInWaterOrBubble()) {
            this.animateWalk(SeaOtterAnimation.SEA_OTTER_SWIMMING, limbSwing, limbSwingAmount, 10.0F, 8.5F);
        }

        this.animate(entity.idleAnimationState, SeaOtterAnimation.SEA_OTTER_IDLE, ageInTicks);
    }

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(in SeaOtter entity class)

    public void tick() {
        super.tick();
        if (this.level().isClientSide()) {
            this.idleAnimationState.animateWhen(this.isInWaterOrBubble() && !this.walkAnimation.isMoving(), this.tickCount);
        }
    }