描述一对青年男女在蓄养吃人鱼的水池中游泳，突然被一神秘的鱼群攻击，鲜血四冒。其后，剧情随着一个“寻人专家"马琪的行踪展开。由于镜头运用的灵活性和剪接的紧凑，片中多埸鱼吃人的戏都拍得相当有惊吓效果，有几个镜头且血腥得教人不忍目睹。

DISC INFO:

Disc Title:     Piranha
Disc Label:     Piranha.1978.2160p.UHD.Blu-ray.HEVC.DTS-HD.MA.2.0
Disc Size:      67,503,220,725 bytes
Protection:     AACS2
Extras:         Ultra HD
BDInfo:         0.7.5.8

PLAYLIST REPORT:

Name:                   00002.MPLS
Length:                 1:33:45.874 (h:m:s.ms)
Size:                   66,631,342,080 bytes
Total Bitrate:          94.75 Mbps

(*) Indicates included stream hidden by this playlist.

VIDEO:

Codec                   Bitrate             Description   
-----                   -------             -----------   
MPEG-H HEVC Video       69999 kbps          2160p / 24 fps / 16:9 / Main 10 @ Level 5.1 @ High / 10 bits / HDR10 / BT.2020
* MPEG-H HEVC Video     18036 kbps          1080p / 24 fps / 16:9 / Main 10 @ Level 5.1 @ High / 10 bits / Dolby Vision / BT.2020

AUDIO:

Codec                           Language        Bitrate         Description   
-----                           --------        -------         -----------   
DTS-HD Master Audio             English         1789 kbps       2.0 / 48 kHz /  1789 kbps / 24-bit (DTS Core: 2.0 / 48 kHz /  1509 kbps / 24-bit)
Dolby Digital Audio             English         192 kbps        2.0 / 48 kHz /   192 kbps / DN -27dB
Dolby Digital Audio             English         192 kbps        2.0 / 48 kHz /   192 kbps / DN -27dB

SUBTITLES:

Codec                           Language        Bitrate         Description   
-----                           --------        -------         -----------   
Presentation Graphics           English         35.818 kbps                   
Presentation Graphics           Chinese         27.961 kbps                   
Presentation Graphics           Chinese         29.096 kbps                   
Presentation Graphics           Chinese         42.548 kbps                   
Presentation Graphics           Chinese         43.186 kbps