Across

1. ___kigoi, aka koi
4. Koi ___, koi crazy
8. Caspian ___, koi origins
10. "Are you ___ ___ no good?"
11. Sleep disorder
13. White Koi fish
15. That girl
16. Kin ___ Rin, a koi with shiny scales
17. Battery size
18. Laser disk, for short
19. Beer barrel
21. Cuttlefish ejections
22. Boxing term
24. Fa-so-la preceder
26. Flora partner
28. ___-Moyomono, Koi with colored patterns over  metallic base
31. Ish (2 words)
33. Class, for short
34. Moron or gen preceder?
36. Any Koi with the only red being in a circle on its forehead
38. Doitsu-___, A German Carp that has no scales or a few scales on its top
40. Roe
42. "___ of Our Lives"
44. Either's partner
46. What?
48. Lucky number
49. A mostly black Koi with red, white, brown, and blue accents
52. Good grades
53. Motor boat need
54. Old aromatic ointment
56. Island instrument
58. A Cruiser
59. Nickel symbol
60. Koi with areas of blue-edged scales aligned neatly
63. Sandy hills
65. An oily fish
66. ___mono, a black Koi with a red, white, or yellow pattern
67. ___ and friendship, koi are symbols of this in Japan

Down

1. A two year old Koi fish
2. Flings
3. Music player
4. White-skinned Koi with a red pattern
5. Common ___, Koi category
6. Printer and computer maker
7. Savings company
8. A white-skinned Koi with a red and black pattern named after the Taisho Emperor
9. A Koi with light blue scales on its top and red scales on its bottom
12. Emotional intelligence, abbr.
14. Vietnam city
20. Hire
22. Mai ___
23. Lennon lady
25. A Koi that is one solid color
26. Koi offspring term
27. BA specialty
29. This puzzle's theme
30. Wood chopper
32. Ancient Egyptian hieroglyph meaning protection
33. Half a Latin dance
35. Concern for some couples (2 words)
37. Music container
38. The most popular variety of Koi
39. Miners' finds
41. ___ Koi, hybrid of Ogon and wild carp
43. Small, fatty, canned fish
45. A white, red, or yellow-skinned Koi with a black pattern
47. The partially scaled version of an Asagi
50. Prepare to propose
51. Des Moines locale
55. Dr. helper
56. Website symbol
57. Flightless bird
61. Old English, abbr.
62. Overtime, for short
63. Medical expert
64. For that reason...

Oh yeah, you can find the ANSWERS BY CLICKING HERE. Cheers!